{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06648_035.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cleveland, Ohio | 1951 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"128"},{"label":"placed","value":"113"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef 58, georef-snap 51, georef-street 2, snap:0 1, snap:2 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"18 sheet(s) cut into 37 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 41.54403,-81.62307 +/-265m); p107__1 (tier 2, 41.54255,-81.62332 +/-404m); p107__2 (tier 1, 41.53996,-81.62332 +/-101m); p109__1 (tier 1, 41.52018,-81.61535 +/-262m); p109__2 (tier 1, 41.51798,-81.61646 +/-101m); p11 (tier 1, 41.53336,-81.64013 +/-308m); p12__1 (tier 1, 41.53066,-81.63964 +/-218m); p15 (tier 1, 41.51424,-81.63509 +/-245m); p2 (tier 2, 41.53310,-81.63792 +/-1067m); p21__2 (tier 1, 41.54188,-81.62160 +/-100m); p26__2 (tier 1, 41.53873,-81.61646 +/-125m); p38__1 (tier 1, 41.52303,-81.64150 +/-180m); p55__1 (tier 1, 41.54415,-81.62000 +/-114m); p55__2 (tier 1, 41.53144,-81.62627 +/-100m); p80__2 (tier 1, 41.52141,-81.62295 +/-106m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p10","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0010","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"179.6,965.1 210.9,177.0 1125.3,144.3 1125.6,132.4 1366.5,136.7 1429.3,137.8 1425.2,706.1 1423.3,961.6 1421.7,1189.3 1421.2,1256.7 619.4,1721.0 259.9,1928.8 249.6,1934.8 216.7,1934.7 159.8,1934.5 179.6,965.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6439102,41.529724]}},{"type":"Feature","properties":{"resourceCoords":[1638.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6399424,41.5297766]}},{"type":"Feature","properties":{"resourceCoords":[1638.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.63985890000001,41.5262423]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6438267,41.5261897]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0100/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p100","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0100/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0100","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1534.5,1749.2 578.2,1761.5 288.0,1762.5 111.3,1764.8 89.8,1354.3 92.7,1354.3 90.3,966.5 94.1,966.5 85.1,609.6 90.4,206.7 104.0,222.1 606.8,295.2 808.8,159.5 1176.5,195.6 1461.2,119.6 1469.3,277.1 1552.2,389.3 1555.8,1922.2 1535.6,1922.3 1534.5,1749.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0100/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[577.0,1757.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62335525293075,41.51754216050238]}},{"type":"Feature","properties":{"resourceCoords":[1524.0,1352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62239084331657,41.51583636263159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0101/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p101","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0101/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0101","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.5,1707.0 61.0,1707.0 62.0,1657.0 53.3,1656.3 28.6,611.4 77.1,606.2 79.9,210.7 80.2,159.0 752.8,68.8 1171.6,12.5 1493.0,11.0 1530.9,16.2 1582.8,416.6 1585.2,674.0 1541.5,674.3 1561.3,1226.8 1545.9,1227.0 1512.7,1592.0 1540.1,1591.0 1492.7,1920.3 940.0,1917.5 446.3,1915.9 70.5,1912.6 67.7,1922.6 59.5,1921.9 54.5,1707.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0101/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[789.0,675.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.613762,41.520765]}},{"type":"Feature","properties":{"resourceCoords":[80.0,1223.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6154641,41.51976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0102/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p102","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0102/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0102","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1149.0,1833.0 706.2,1837.2 705.9,1816.3 70.0,1845.9 98.8,1485.7 114.0,1485.3 88.6,941.0 131.7,940.2 126.5,686.5 71.0,292.4 61.7,242.5 715.2,146.7 1140.5,88.7 1522.8,31.2 1523.0,87.4 1548.3,1488.2 1553.6,1837.7 1149.0,1833.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0102/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1150.0,939.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.609337,41.520781]}},{"type":"Feature","properties":{"resourceCoords":[1150.0,1480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6093385,41.519787]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0103__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p103 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3667.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0103__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0103","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"223.8,121.2 153.3,144.6 212.7,196.8 212.4,345.6 70.2,702.5 32.4,985.2 200.7,1888.3 322.6,1888.7 730.0,1872.3 742.6,1875.7 736.1,623.4 683.0,595.9 479.2,493.9 223.8,130.0 223.8,121.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0103__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[735.9,1882.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61546984944789,41.51586956657255]}},{"type":"Feature","properties":{"resourceCoords":[735.9,607.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61547641803294,41.51818075756845]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0103__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p103 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1812.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4671.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0103__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0103","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1517.0,1924.2 1567.0,1929.3 1558.0,1547.0 1564.6,1547.0 1565.6,1496.9 1556.8,1496.2 1532.3,448.9 1580.8,443.7 1583.7,47.4 1583.9,16.9 1438.9,11.0 1102.8,46.6 537.4,114.3 524.0,138.7 666.3,150.3 664.4,344.4 914.2,750.0 985.5,1086.6 1059.3,1169.5 1079.0,1438.4 1060.1,1444.5 1060.0,1453.3 1313.3,1820.3 1517.0,1924.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0103__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1572.0,448.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61550690981093,41.52086923650705]}},{"type":"Feature","properties":{"resourceCoords":[1572.0,1949.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61547110950464,41.518156867279885]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0104/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p104","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0104/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0104","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1424.3,1775.0 467.2,1807.5 94.5,1705.2 91.4,457.2 88.8,455.9 84.2,295.6 94.3,259.4 468.6,260.8 960.2,260.0 1528.6,260.0 1524.9,955.1 1499.2,952.1 1505.8,1593.7 1533.2,1595.0 1534.4,1645.5 1506.6,1671.6 1424.3,1775.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0104/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[578.0,680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.614291,41.51775]}},{"type":"Feature","properties":{"resourceCoords":[578.0,1718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.614279,41.515862]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0105/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p105","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0105/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0105","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.5,439.9 89.2,109.0 710.1,87.1 710.2,108.4 1161.5,109.2 1573.9,118.7 1577.0,988.5 1578.1,1272.0 1527.1,1272.1 1536.2,1311.4 1523.9,1917.3 1620.0,1917.3 1620.0,1918.0 208.6,1925.8 29.8,1864.1 58.0,1838.0 57.0,1787.0 29.4,1785.5 26.2,1138.2 52.1,1141.3 59.6,439.9 41.5,439.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0105/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[706.0,446.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61043045706853,41.518523040822544]}},{"type":"Feature","properties":{"resourceCoords":[1537.0,1900.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6083945293236,41.51591733574714]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0106/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p106","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0106/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0106","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.0,1920.2 68.6,1322.8 59.4,1284.1 109.7,1283.8 107.4,1004.3 99.7,41.1 493.3,46.5 493.2,24.2 1544.6,25.9 1540.4,46.5 1613.5,172.4 1603.9,1842.5 1584.0,1844.0 1586.0,1895.0 1603.6,1895.0 1603.5,1906.2 154.8,1920.5 153.8,1920.5 59.0,1920.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0106/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1572.0,811.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6047468,41.5179297]}},{"type":"Feature","properties":{"resourceCoords":[496.0,488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6073787,41.518509]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0108/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p108","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.63"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0108/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0108","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1418.7,1534.5 1418.5,1714.1 1420.9,1926.3 1414.0,1926.4 1393.4,1767.1 1282.6,1768.8 1062.3,1855.7 577.3,1870.8 271.0,1826.2 239.4,1762.2 239.7,1530.7 145.6,1380.3 104.5,1195.0 80.5,872.7 112.8,743.2 257.6,714.4 387.9,492.2 592.9,405.6 617.8,287.5 793.3,269.6 993.8,141.3 1168.6,77.9 1332.5,52.5 1417.5,115.8 1482.5,114.8 1483.4,175.5 1380.7,203.6 1430.9,1534.3 1418.7,1534.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0108/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62210652022945,41.551166669522075]}},{"type":"Feature","properties":{"resourceCoords":[1653.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.614311157456,41.55107588562375]}},{"type":"Feature","properties":{"resourceCoords":[1653.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.61445317820254,41.54414846850592]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62224854097599,41.54423925240424]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p12 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3207.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3344.8"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0012","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1152.5,1790.4 1515.5,1581.4 1517.8,1501.8 1521.2,1386.8 1522.4,1346.9 1523.8,1300.7 1535.2,912.1 1538.2,812.4 1546.7,526.0 1557.8,150.5 910.9,144.6 883.1,834.0 873.7,838.6 867.9,1406.9 867.4,1455.7 865.4,1662.4 863.1,1890.1 862.6,1935.0 901.5,1935.0 1152.5,1790.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1394.2,1653.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63913942579647,41.52806268794745]}},{"type":"Feature","properties":{"resourceCoords":[1526.1,1585.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6388230717955,41.52819090526149]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0013","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1525.9,1831.9 1229.0,1872.5 897.7,1928.5 696.5,1930.3 671.0,1928.0 670.8,1930.5 669.3,1930.5 669.0,1927.0 622.0,1927.0 612.0,1930.0 612.0,1931.0 508.4,1932.0 511.4,1869.8 140.7,1795.5 46.4,305.2 72.2,105.2 167.3,59.1 1173.1,129.0 1341.3,37.2 1562.7,25.7 1608.3,98.7 1576.0,741.9 1620.4,1020.8 1613.7,1020.6 1543.0,1828.7 1525.9,1831.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[891.0,789.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63775305898216,41.53341527281717]}},{"type":"Feature","properties":{"resourceCoords":[1228.0,1872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63698030100035,41.53142594904146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0014","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1346.8,1406.3 1196.3,1398.0 294.8,1937.1 229.1,1937.3 229.6,1896.1 230.9,1780.3 232.0,1693.7 236.5,1302.3 241.1,913.5 245.6,535.4 252.6,535.4 279.2,231.6 673.9,236.4 1010.8,186.9 1312.6,152.2 1377.6,141.5 1374.1,1215.8 1363.8,1299.0 1349.0,1379.5 1347.3,1388.9 1346.8,1406.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[874.0,1608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63729798624237,41.52886376108759]}},{"type":"Feature","properties":{"resourceCoords":[1010.0,193.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6369798821686,41.53141402830134]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0016","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"282.6,1884.6 287.4,825.2 240.5,832.9 329.4,26.8 348.4,116.8 858.0,59.8 1441.0,128.5 1443.7,19.8 1444.0,21.0 1454.0,21.0 1454.1,1196.5 1454.2,1261.0 1307.1,1348.7 1306.0,1427.0 1305.1,1508.5 861.1,1651.3 860.9,1614.6 316.6,1939.0 304.9,1939.0 275.8,1939.0 282.6,1884.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[871.0,1622.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63466329339046,41.530056994028044]}},{"type":"Feature","properties":{"resourceCoords":[274.0,846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63612796994559,41.53147042597054]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p17","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0017","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"45.0,750.2 142.9,509.2 97.7,238.1 165.5,162.8 654.9,230.6 910.9,72.4 1129.2,42.3 1272.3,87.5 1355.1,155.3 1362.7,260.7 1490.7,328.5 1483.1,607.1 1377.7,727.6 1377.7,1021.2 1490.7,1058.9 1526.2,1791.0 1527.3,1813.9 1407.2,1812.3 1382.3,1904.9 691.0,1885.5 691.0,1888.0 142.3,1888.0 45.0,750.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[139.0,1888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63326,41.534124]}},{"type":"Feature","properties":{"resourceCoords":[691.0,1888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.631939,41.534124]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0018","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.3,1909.8 112.2,722.0 102.2,700.8 115.3,92.9 658.9,94.2 659.0,91.7 1343.8,112.5 1368.6,20.8 1395.1,21.2 1487.7,22.6 1502.8,349.0 1383.3,415.9 1375.2,714.3 1486.7,856.3 1493.7,1057.7 1545.9,1087.7 1551.7,1803.9 1432.2,1878.2 1260.6,1848.0 1254.2,1911.3 1111.5,1494.9 1071.8,1402.3 686.8,1630.8 180.6,1935.5 114.4,1935.2 114.3,1909.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1074.0,1413.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63092901625238,41.53174101223404]}},{"type":"Feature","properties":{"resourceCoords":[114.0,1947.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63324483658417,41.53077143591989]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0019","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.6,1375.5 35.6,1323.0 103.4,1136.7 112.5,629.3 46.1,435.1 144.0,166.7 449.9,160.3 674.1,41.6 1368.1,36.5 1369.2,19.0 1386.8,18.8 1417.5,18.4 1459.4,127.5 1497.1,225.6 1440.6,1030.2 1437.3,1031.4 1640.0,1570.0 1640.0,1600.5 1640.0,1674.4 1308.0,1794.9 939.0,1937.5 920.4,1887.6 91.8,1838.0 102.6,1375.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1438.0,1010.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62420853345424,41.538220672082346]}},{"type":"Feature","properties":{"resourceCoords":[1688.0,1636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62359967180222,41.53709060192423]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p20","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0020","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"222.3,1876.8 46.2,1858.6 98.0,105.7 919.1,159.8 937.3,209.4 1304.0,70.2 1588.9,831.9 1619.9,914.6 1610.0,915.0 1609.0,933.0 1583.0,945.0 1583.0,961.0 1636.9,960.0 1637.0,960.3 1637.0,1003.5 1637.0,1030.6 1323.7,1217.7 1280.7,1105.7 866.8,1128.5 863.9,1120.9 578.1,1663.0 323.5,1805.3 233.7,1855.5 234.6,1878.1 222.3,1876.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[980.0,1423.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6252741,41.5343287]}},{"type":"Feature","properties":{"resourceCoords":[49.0,1959.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6275297,41.5333353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0021__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p21 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6564.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0021","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.2,1935.6 263.5,1937.1 724.6,1818.1 765.1,1798.6 904.4,1764.5 906.1,1778.8 962.6,1771.7 1481.3,1842.8 1513.9,1513.8 1554.0,1109.3 1591.8,727.5 1634.4,233.1 1552.2,17.0 1472.6,17.0 1456.2,84.7 1296.6,34.7 665.1,205.0 554.3,411.4 553.3,420.5 549.6,420.1 547.5,424.0 313.8,425.1 90.3,525.5 48.7,618.3 137.9,870.5 119.0,971.0 167.1,976.2 195.7,1089.8 221.4,1192.0 78.2,1935.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[718.0,644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62304740036936,41.54073018766802]}},{"type":"Feature","properties":{"resourceCoords":[718.0,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62270413409054,41.53866098599832]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0022","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1524.6,1324.0 1519.8,1381.2 713.6,1753.5 654.0,1778.2 328.4,1931.3 325.0,1932.9 255.2,1932.7 248.9,1908.2 212.9,1768.3 8.7,976.0 351.1,893.5 362.8,790.0 221.9,233.7 225.2,232.8 231.9,196.2 234.4,182.9 418.9,182.8 876.7,60.6 916.9,40.8 1055.2,5.8 1057.0,20.0 1076.0,21.0 1076.5,17.4 1099.0,14.4 1113.0,15.0 1113.2,12.4 1198.7,23.5 1199.0,28.0 1235.9,28.2 1630.0,79.0 1524.6,1324.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[558.0,140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6234275422042,41.53842067882922]}},{"type":"Feature","properties":{"resourceCoords":[389.0,883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62362716943929,41.53704771982035]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0023","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"287.8,1370.1 289.8,866.5 188.7,654.9 108.2,661.5 159.1,338.9 295.6,344.5 908.0,43.4 1143.0,53.1 1142.9,48.3 1329.8,119.6 1402.0,75.8 1352.6,1373.8 1350.7,1419.5 1330.8,1917.0 883.3,1916.4 882.9,1926.4 279.0,1892.1 281.3,1759.3 287.8,1370.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[917.0,1374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61943967124347,41.540814520600286]}},{"type":"Feature","properties":{"resourceCoords":[296.0,1374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62091316226602,41.540768643920494]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0024","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"587.0,1923.3 536.1,1894.1 518.3,1849.1 370.2,1934.0 336.2,1933.8 284.4,1933.5 284.3,1925.2 280.5,665.4 281.4,333.6 282.3,57.0 879.8,82.8 880.1,72.8 1322.5,67.3 1297.8,1004.7 1302.6,1161.2 1316.2,1340.8 1321.6,1389.1 600.1,1802.3 603.6,1891.7 587.0,1923.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[280.0,672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62086674472854,41.53874209874813]}},{"type":"Feature","properties":{"resourceCoords":[858.0,1664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6194129403353,41.536988298498756]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p25","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0025","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"600.8,1858.1 530.1,1838.8 325.9,1836.9 337.1,550.9 266.9,596.3 79.8,531.2 67.6,332.9 129.3,198.4 679.7,39.9 1539.9,110.3 1535.5,597.1 1529.3,1042.5 1526.8,1246.2 1522.1,1449.4 1521.0,1568.9 1518.2,1832.3 1517.3,1869.3 600.8,1858.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[710.0,1860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.617484,41.540814]}},{"type":"Feature","properties":{"resourceCoords":[1537.0,416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6155429,41.5434245]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0026__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p26 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6552.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0026__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0026","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393.8,1278.2 1395.2,1066.2 1395.5,1024.7 1396.6,846.2 1399.3,434.9 1399.5,404.2 1406.0,144.6 494.1,136.1 423.6,117.2 220.4,115.8 220.0,160.8 208.8,1585.5 216.4,1741.3 233.3,1920.0 235.4,1936.2 291.9,1936.7 496.1,1814.8 1393.8,1278.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0026__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[692.0,468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61726129435255,41.540219523842026]}},{"type":"Feature","properties":{"resourceCoords":[692.0,145.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61726856398593,41.54080231936446]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p27","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0027","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1555.8,1285.7 1526.7,1285.0 1550.5,598.2 1560.9,598.2 1425.4,10.7 1375.0,9.0 1374.4,3.5 1356.3,1.0 1349.1,1.0 1346.0,24.1 445.1,38.6 134.4,102.4 133.3,19.9 109.8,19.6 101.0,369.1 95.0,929.0 92.5,1407.5 88.0,1845.3 87.9,1866.2 1534.9,1936.9 1546.7,1936.5 1555.8,1285.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[764.0,598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6139192,41.5445884]}},{"type":"Feature","properties":{"resourceCoords":[1056.0,1538.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.613187,41.542876]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0028","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.6,1090.7 73.2,796.2 71.3,417.9 73.0,217.2 72.5,36.9 1530.7,91.5 1530.5,1250.1 1344.6,1286.1 1097.6,1338.4 1075.8,1344.0 484.6,1707.0 115.0,1933.7 74.3,1933.5 69.6,1090.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[468.0,1695.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61459405300502,41.53924631723639]}},{"type":"Feature","properties":{"resourceCoords":[1040.0,1377.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61320315500622,41.539821190614376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0029","type":"ImageService3","width":1641,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"245.1,1936.8 215.6,1936.6 229.2,1242.1 239.7,1242.0 93.8,650.2 16.6,640.6 63.1,246.7 122.0,111.9 233.4,44.0 636.5,41.3 943.1,151.2 1033.7,292.5 1324.7,290.6 1428.2,133.1 1510.2,125.1 1578.5,296.3 1514.5,1901.8 1519.2,1905.1 1519.2,1910.5 1099.1,1908.8 1099.0,1885.0 245.0,1890.7 245.1,1923.9 245.1,1936.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1130.0,1004.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60982100407242,41.54501974851254]}},{"type":"Feature","properties":{"resourceCoords":[721.0,1241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6108123022718,41.54459638927352]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p3","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.28"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0003","type":"ImageService3","width":1629,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1109.9,1919.5 782.7,1897.3 377.0,1698.5 344.3,1740.3 83.2,1486.1 98.2,255.1 169.5,70.8 403.5,40.8 407.3,27.0 465.1,27.0 1466.2,393.9 1536.9,1772.9 1107.8,1864.7 1109.9,1919.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.649127,41.5298256]}},{"type":"Feature","properties":{"resourceCoords":[1629.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6471782,41.5272905]}},{"type":"Feature","properties":{"resourceCoords":[1629.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6512297,41.525544999999994]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6531785,41.5280801]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p30","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"19"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0030","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"143.8,94.5 144.0,61.0 1005.9,61.0 1005.9,84.9 1429.8,89.4 1429.8,84.0 1507.9,140.9 1568.2,502.5 1515.5,615.5 1583.3,1185.8 1572.0,1186.0 1572.0,1231.0 1588.8,1231.8 1590.8,1248.3 1532.8,1690.8 1434.8,1707.9 1433.2,1698.5 600.0,1863.1 296.1,1913.9 207.2,1932.5 127.5,1930.3 131.1,772.1 140.2,772.5 143.8,94.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[572.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.610948,41.543428]}},{"type":"Feature","properties":{"resourceCoords":[144.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.611972,41.543428]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p31","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0031","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"217.9,1727.1 136.8,1577.7 139.1,1115.9 80.3,936.8 235.7,513.5 929.8,99.7 1227.9,625.0 1478.8,1043.7 1487.8,1079.1 1490.9,1272.4 1488.6,1742.2 1262.0,1740.0 231.7,1743.7 231.2,1845.9 217.4,1845.8 217.9,1727.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1214.0,611.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6495588049261,41.52212617157873]}},{"type":"Feature","properties":{"resourceCoords":[230.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6519240643,41.51990250809105]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p32","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0032","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1433.0,1433.8 1400.5,1439.7 1207.6,1471.0 1122.1,1486.5 174.4,1620.8 71.3,783.0 154.0,595.5 154.1,520.0 168.0,520.0 168.1,417.1 1206.0,409.0 1434.2,410.3 1433.0,1433.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[168.0,1044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.65192,41.518939]}},{"type":"Feature","properties":{"resourceCoords":[168.0,520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.651921,41.519881]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0033","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1351.0,1826.7 1295.2,1927.7 1265.0,1927.0 1217.6,1931.5 195.7,1330.5 289.5,1163.0 299.5,1128.1 293.0,643.4 299.2,43.5 838.9,39.8 870.6,36.8 1351.7,31.1 1348.5,638.6 1353.2,1686.1 1351.0,1826.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[292.0,626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6495486284224,41.522127309470136]}},{"type":"Feature","properties":{"resourceCoords":[1360.0,626.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64730653336207,41.52311446907593]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p34","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0034","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"172.0,753.9 175.3,281.1 1376.4,289.6 1442.6,246.9 1443.0,266.1 1411.5,289.9 1443.3,290.1 1439.8,786.2 1432.0,1184.0 1437.4,1563.7 1429.4,1615.2 780.2,1700.0 164.4,1776.2 172.0,753.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1432.0,1184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.645845,41.519322]}},{"type":"Feature","properties":{"resourceCoords":[788.0,286.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6474083,41.52093]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0035","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1118.7,1892.0 1027.4,1846.8 548.8,1823.3 126.0,1805.9 125.5,752.4 131.1,141.3 930.8,136.7 1074.7,135.7 1439.6,131.2 1451.3,204.7 1467.8,442.6 1500.7,1155.5 1521.3,1545.5 1538.5,1871.9 1538.6,1875.2 1500.8,1870.1 1141.9,1852.5 1131.2,1875.6 1118.7,1892.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[131.0,738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64732129193808,41.52311159945604]}},{"type":"Feature","properties":{"resourceCoords":[956.0,738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64560324853291,41.52387493690082]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0036__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p36 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6528.0"},{"label":"split_canvas_w","value":"1836.0"},{"label":"split_canvas_h","value":"1268.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0036__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0036","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"382.4,1948.0 384.7,1948.0 388.8,1911.1 409.4,1727.2 25.7,1692.0 355.5,1942.1 356.0,1936.0 380.0,1936.0 380.9,1947.3 382.4,1948.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0036__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1632.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.64102058252195,41.52349526840216]}},{"type":"Feature","properties":{"resourceCoords":[459.0,1632.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6401385212015,41.523996870433535]}},{"type":"Feature","properties":{"resourceCoords":[459.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.63967637393709,41.523540233714044]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.64055843525755,41.52303863168267]}},{"type":"Feature","properties":{"resourceCoords":[383.0,1963.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.639802,41.523437]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0036__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p36 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6552.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0036__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0036","type":"ImageService3","width":1638,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"675.5,1514.5 678.5,1516.5 683.3,1585.5 1113.9,1842.2 1176.0,1879.3 1559.9,1871.7 1561.0,340.4 1561.2,62.6 1145.7,64.3 1093.3,64.5 1028.3,64.9 148.8,69.4 110.8,67.6 122.3,141.2 138.2,379.2 169.7,1092.2 189.4,1482.3 223.9,1482.2 617.9,1481.0 675.5,1514.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0036__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[167.0,1077.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64397724652822,41.52374919822001]}},{"type":"Feature","properties":{"resourceCoords":[1120.0,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64323569163584,41.526190996176]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0037__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p37 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6548.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0037__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0037","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"215.5,434.1 214.9,1656.7 607.5,1646.7 788.4,1337.2 910.8,1129.4 1118.2,789.9 1478.1,149.9 1142.8,151.6 215.6,156.2 215.5,434.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0037__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[457.0,1130.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.640627,41.525331]}},{"type":"Feature","properties":{"resourceCoords":[457.0,155.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6418356,41.5268489]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0037__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p37 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.52"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3704.8"},{"label":"split_canvas_y","value":"4501.2"},{"label":"split_canvas_w","value":"2843.2"},{"label":"split_canvas_h","value":"3294.8"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0037__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0037","type":"ImageService3","width":1637,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1080.2,1766.0 1080.2,1821.0 1100.9,1834.0 1133.2,1854.0 1495.7,1234.6 1080.8,1244.8 1080.2,1766.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0037__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1080.2,1821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.639802,41.523437]}},{"type":"Feature","properties":{"resourceCoords":[1133.2,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.639659,41.523435]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0038__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p38 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6588.0"},{"label":"split_canvas_h","value":"4966.4"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0038__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0038","type":"ImageService3","width":1647,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"469.8,1032.9 495.4,1016.2 623.4,1210.7 1535.2,941.5 1535.6,902.9 1541.0,545.8 1536.0,92.5 1470.1,79.0 1439.7,85.7 1442.9,90.9 960.5,88.4 461.6,85.8 422.6,29.1 422.3,28.8 419.0,29.0 352.7,29.4 15.5,229.4 1.0,265.7 1.0,269.6 275.6,687.8 234.1,708.3 287.6,705.8 408.0,885.6 422.7,1063.4 469.8,1032.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0038__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[-14.0,246.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.643428,41.523139]}},{"type":"Feature","properties":{"resourceCoords":[1541.0,545.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.639641,41.522609]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p39","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0039","type":"ImageService3","width":1633,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"77.9,1536.8 68.2,798.8 431.9,585.6 432.8,546.6 498.4,547.0 1404.5,17.0 1554.7,26.7 1554.3,37.5 1551.2,414.8 1541.7,1599.5 1541.2,1661.5 1539.6,1902.7 1091.2,1872.5 1091.3,1863.5 609.0,1885.6 609.1,1876.2 69.7,1890.2 77.9,1536.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1094.0,1648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.637223,41.526296]}},{"type":"Feature","properties":{"resourceCoords":[614.0,480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6384136,41.5283914]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p4","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0004","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1426.7,551.7 1426.7,552.1 1427.0,1438.1 1425.0,1476.4 1427.0,1844.0 1427.0,1864.2 1171.1,1851.5 1059.0,1854.7 651.2,1848.8 609.9,1823.6 380.5,1812.3 383.2,1936.7 370.1,1940.3 296.6,683.7 545.4,17.7 546.1,17.6 1381.1,524.0 1426.7,445.9 1426.6,474.6 1426.6,486.6 1426.7,551.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1427.0,1076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6445194,41.5256375]}},{"type":"Feature","properties":{"resourceCoords":[1427.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6461003,41.5249239]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p40","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0040","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1559.5,118.0 1566.9,1666.2 1567.1,1700.3 1103.1,1698.1 1107.9,1901.8 89.5,1905.5 89.5,1902.2 82.5,1439.2 74.3,385.1 73.3,140.2 73.8,93.3 618.8,73.0 618.8,82.5 1106.0,54.7 1106.0,63.9 1559.4,89.2 1559.5,118.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0040/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[626.0,1655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.638363,41.523051]}},{"type":"Feature","properties":{"resourceCoords":[86.0,1655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63965,41.52305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p41","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0041","type":"ImageService3","width":1633,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"313.5,778.9 330.5,689.5 334.1,661.8 375.3,662.0 925.9,338.1 925.9,375.0 1374.4,233.6 1373.5,287.6 1369.8,670.7 1365.5,1107.0 1361.0,1572.0 1359.8,1699.5 927.0,1704.9 927.0,1710.5 587.2,1729.8 587.3,1740.0 307.4,1721.8 310.4,1182.3 312.5,806.9 313.5,778.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0041/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1361.0,1572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.633606,41.527842]}},{"type":"Feature","properties":{"resourceCoords":[586.0,538.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6355062,41.5297021]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p42","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0042","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"281.6,1726.8 283.5,1268.8 284.6,999.2 284.9,937.4 288.5,295.2 569.6,313.6 569.5,303.4 910.7,284.1 910.7,278.4 1345.3,273.0 1342.6,552.9 1338.3,982.8 1332.2,1607.9 1331.3,1701.4 900.1,1703.4 900.0,1709.2 567.6,1714.7 567.7,1710.1 281.6,1726.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0042/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[900.0,1019.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63466169225238,41.52625697066085]}},{"type":"Feature","properties":{"resourceCoords":[1328.0,1610.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63361602355894,41.525198097049596]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0043__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p43 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"706.0"},{"label":"split_canvas_w","value":"6532.0"},{"label":"split_canvas_h","value":"7090.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0043__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0043","type":"ImageService3","width":1633,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1262.9,1877.7 1570.8,1880.2 1558.1,1553.8 1555.3,1554.8 1552.7,1120.3 1567.0,690.3 1556.3,229.3 1546.5,232.6 1525.5,258.9 527.7,579.8 516.4,578.5 98.0,719.0 4.8,758.3 231.6,1145.7 534.1,1655.0 533.6,1721.4 573.5,1721.5 661.6,1870.9 741.0,1872.4 877.8,1874.5 1262.9,1877.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0043__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[553.0,1714.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6332258889423,41.53075776559035]}},{"type":"Feature","properties":{"resourceCoords":[239.0,1128.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63182087687474,41.53133262003187]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0043__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p43 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.65"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6532.0"},{"label":"split_canvas_h","value":"2873.6"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0043__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0043","type":"ImageService3","width":1633,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.2,567.0 270.1,552.9 962.2,379.0 939.5,122.8 889.0,113.5 893.6,43.5 766.1,22.2 113.4,101.7 50.8,154.8 51.4,169.7 75.2,567.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0043__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6289682637268,41.52823271001045]}},{"type":"Feature","properties":{"resourceCoords":[1633.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62788745875517,41.525433226614375]}},{"type":"Feature","properties":{"resourceCoords":[1633.0,718.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62952007353151,41.52507495035942]}},{"type":"Feature","properties":{"resourceCoords":[0.0,718.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.63060087850315,41.52787443375549]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p44","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0044","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1089.2,1884.5 679.0,1884.0 209.4,1883.3 78.1,1883.2 63.1,1555.1 60.2,1556.1 54.5,1119.5 66.0,687.2 52.0,223.9 42.2,227.3 104.2,148.8 550.0,82.5 560.0,95.8 692.6,465.9 875.0,399.1 1496.9,39.0 1497.3,74.1 1505.5,678.8 1521.6,1885.2 1089.2,1884.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[679.0,472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6302215,41.5278455]}},{"type":"Feature","properties":{"resourceCoords":[679.0,1884.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.633606,41.527842]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p45","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0045","type":"ImageService3","width":1633,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1161.2,1936.6 1143.6,1937.6 1090.7,1846.0 940.8,1586.4 381.5,1301.6 389.2,1298.5 358.6,872.8 472.4,826.6 275.6,507.2 209.9,506.0 233.8,496.6 225.3,425.7 223.3,422.4 28.3,110.9 58.5,71.5 229.4,55.1 1201.6,49.2 1589.0,46.6 1592.6,820.5 1596.8,1770.1 1534.1,1899.1 1170.9,1886.7 1166.7,1936.3 1161.2,1936.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0045/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62247778129746,41.53554012636581]}},{"type":"Feature","properties":{"resourceCoords":[1633.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62250741009306,41.532627957238084]}},{"type":"Feature","properties":{"resourceCoords":[1633.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6271179788112,41.5326546152281]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6270883500156,41.53556678435582]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p46","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"14"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0046","type":"ImageService3","width":1643,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"174.1,875.0 157.5,705.4 118.7,675.4 175.3,643.1 935.5,169.1 933.5,119.6 1019.3,116.8 1164.3,26.4 1183.8,70.7 1217.5,124.5 1217.6,147.4 1274.0,275.6 1308.0,352.7 1420.9,609.4 1425.0,901.0 1428.0,1344.1 1474.7,1343.6 1476.8,1834.4 683.3,1839.6 182.0,1840.0 174.1,875.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1425.0,901.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.619611,41.535063]}},{"type":"Feature","properties":{"resourceCoords":[182.0,1840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.622616,41.533398]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0047__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p47 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6532.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0047__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0047","type":"ImageService3","width":1633,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1435.0,1913.5 1512.8,1880.7 1537.7,1870.2 1567.5,1508.0 1609.0,1494.5 1616.8,1226.1 1618.4,812.5 1618.5,778.7 1571.4,778.4 1568.6,67.2 1445.9,66.7 814.0,64.6 5.0,61.9 548.6,965.0 672.1,1170.4 671.8,1227.4 684.6,1191.1 703.9,1223.1 1134.3,1938.5 1224.0,1933.0 1380.8,1936.3 1435.0,1913.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0047__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1372.0,1570.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61913804700356,41.53630553331231]}},{"type":"Feature","properties":{"resourceCoords":[455.0,780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61726218630783,41.5379558364516]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0047__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p47 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.64"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"743.6"},{"label":"split_canvas_y","value":"6194.4"},{"label":"split_canvas_w","value":"2692.4"},{"label":"split_canvas_h","value":"1601.6"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0047__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0047","type":"ImageService3","width":1633,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"363.1,1913.8 389.3,1932.5 457.2,1913.4 363.1,1913.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0047__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[185.9,1548.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.61917400506083,41.53682861242699]}},{"type":"Feature","properties":{"resourceCoords":[859.0,1548.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.61917229974654,41.535616665212984]}},{"type":"Feature","properties":{"resourceCoords":[859.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62012884087893,41.535615900403194]}},{"type":"Feature","properties":{"resourceCoords":[185.9,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62013054619322,41.5368278476172]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p48","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0048","type":"ImageService3","width":1644,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1510.6,1705.3 1022.0,1702.6 1022.0,1749.0 580.9,1747.8 290.5,1749.0 58.5,1848.4 85.9,1488.9 127.0,1475.2 133.1,1208.9 132.3,880.1 132.1,798.5 132.0,765.0 85.2,764.9 78.2,59.4 153.6,59.2 559.2,58.0 1515.7,55.4 1523.0,55.7 1523.4,156.2 1515.4,162.4 1511.3,1459.4 1510.6,1705.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0048/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1022.0,765.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.617242,41.534267]}},{"type":"Feature","properties":{"resourceCoords":[1022.0,1749.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.619614,41.534267]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p49","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0049","type":"ImageService3","width":1627,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1467.8,1871.0 1455.8,1852.5 1450.1,1843.8 1440.8,1829.5 82.0,1843.0 77.0,1043.8 77.0,1034.2 76.9,1018.6 117.7,1018.8 1080.7,427.0 1350.2,368.8 1536.6,332.6 1536.6,315.2 1608.2,318.6 1601.7,1266.9 1594.1,1267.0 1595.7,1747.4 1467.0,1718.7 1467.8,1871.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0049/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[814.0,591.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6137632,41.5395854]}},{"type":"Feature","properties":{"resourceCoords":[82.0,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.615546,41.537321]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0005","type":"ImageService3","width":1629,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1420.1,446.9 1439.1,446.4 1414.0,905.7 1421.2,905.5 1412.3,1318.2 1415.2,1828.9 1419.0,1893.6 887.3,1890.6 96.7,1889.3 187.5,1815.9 251.8,1667.4 177.1,1579.6 211.1,1523.5 277.2,1555.0 372.9,1382.8 361.1,1205.3 436.5,1080.6 396.1,851.7 494.2,689.6 424.5,621.8 509.0,425.9 858.0,356.0 971.2,168.9 1284.2,60.1 1286.9,29.6 1340.2,28.7 1420.1,446.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[275.0,1566.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.65196307352011,41.52297667069423]}},{"type":"Feature","properties":{"resourceCoords":[1419.0,1881.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64914033427863,41.52357421621563]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p50","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0050","type":"ImageService3","width":1644,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"718.3,1895.8 30.0,1726.7 38.5,1242.2 46.2,1242.3 72.8,286.4 169.0,268.0 472.7,222.7 1305.8,73.3 1307.2,82.6 1405.1,67.3 1402.6,84.2 1582.9,72.4 1604.5,125.3 1622.4,1664.5 837.0,1852.4 836.9,1857.0 719.0,1855.0 718.3,1895.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[719.0,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.610221,41.537276]}},{"type":"Feature","properties":{"resourceCoords":[169.0,268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.611608,41.54011]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p51","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0051","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1450.6,1808.4 1043.0,1809.0 844.9,1809.2 215.1,1810.2 207.9,438.9 231.2,423.9 520.0,238.0 630.3,210.7 1043.0,147.0 1300.3,109.8 1363.2,96.6 1452.9,63.4 1450.6,1808.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0051/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1043.0,1809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6155405,41.5358341]}},{"type":"Feature","properties":{"resourceCoords":[1043.0,147.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.611553,41.535838]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p52","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0052","type":"ImageService3","width":1644,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1626.1,1498.0 1627.5,1760.2 1627.7,1789.0 1587.0,1789.0 1585.4,1810.5 1488.8,1812.1 1228.8,1810.9 1052.0,1806.0 988.5,1804.2 30.6,1811.7 21.8,72.3 34.3,62.5 435.9,97.2 435.9,94.1 823.9,86.7 823.9,94.7 1216.8,98.9 1216.8,94.0 1580.7,86.2 1581.6,48.5 1618.5,47.9 1626.1,1498.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0052/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[835.0,1810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61554355770235,41.53365274970343]}},{"type":"Feature","properties":{"resourceCoords":[48.0,1810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61553391981663,41.53507073447189]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p53","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0053","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1553.8,624.2 1531.6,640.8 1559.5,1488.4 1508.8,1537.4 1442.1,1588.5 1352.9,1621.3 1290.2,1634.2 1034.4,1670.5 624.0,1732.6 514.2,1759.4 245.2,1931.5 205.0,1931.4 92.4,1931.2 281.3,1115.3 266.3,1115.3 240.7,1115.2 241.1,1016.0 241.2,997.9 236.6,998.0 39.3,219.2 47.1,219.0 219.4,70.4 353.9,48.6 592.7,94.4 1287.5,22.7 1496.3,90.8 1501.0,80.4 1553.8,624.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1035.0,1671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6115542418759,41.5358368677953]}},{"type":"Feature","properties":{"resourceCoords":[229.0,1109.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61020614916451,41.537297234745985]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p54","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0054/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0054","type":"ImageService3","width":1644,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"77.5,1808.0 128.2,1757.8 90.1,899.6 112.5,882.6 52.6,332.5 144.7,123.1 711.8,111.4 1089.3,33.0 1498.1,59.9 1513.1,791.0 1560.9,790.1 1607.1,1380.2 1620.3,1422.9 1623.3,1832.3 1586.0,1833.0 1585.2,1871.2 1217.6,1879.8 1217.7,1884.8 820.8,1881.4 820.8,1873.2 428.9,1881.6 429.0,1884.7 23.2,1850.6 77.5,1808.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0054/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1128.0,794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.608829,41.533095]}},{"type":"Feature","properties":{"resourceCoords":[1213.0,1383.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.610234,41.532951]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0055__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p55 [3]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2988.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3495.2"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0055__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0055","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1324.1,27.9 1280.4,98.6 1256.6,468.5 1237.0,473.1 1237.0,484.1 1236.9,484.1 1218.9,484.0 1190.6,483.8 878.9,555.8 825.2,1014.4 956.4,1488.6 1044.6,1614.8 1140.8,1607.8 1195.6,1698.3 1197.0,1721.3 1155.1,1733.7 1140.0,1807.7 1235.8,1889.5 1339.5,1860.3 1340.4,1893.2 1452.7,1893.1 1535.5,1104.7 1571.9,1105.0 1563.9,745.0 1541.2,744.8 1528.4,387.4 1505.5,29.3 1324.1,27.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0055__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1395.0,744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.626514,41.531412]}},{"type":"Feature","properties":{"resourceCoords":[1170.1,562.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6270637,41.531742]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p56","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0056/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0056","type":"ImageService3","width":1644,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1061.3,1868.8 14.7,1867.5 97.9,1089.3 133.8,1089.7 126.5,734.2 104.0,734.0 92.1,381.1 70.1,27.6 801.8,34.3 1544.0,41.0 1543.5,389.8 1535.8,1495.2 1551.7,1495.3 1461.0,1896.7 1061.0,1897.0 1061.3,1868.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0056/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1061.0,1897.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.623781,41.529275]}},{"type":"Feature","properties":{"resourceCoords":[1544.0,41.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.622617,41.532707]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p57","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0057","type":"ImageService3","width":1621,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.3,36.3 547.0,38.0 1590.4,35.6 1590.3,55.5 1589.7,383.8 1564.1,417.6 1567.7,539.2 1571.1,1010.4 1571.5,1477.6 1564.2,1811.5 1564.7,1906.9 738.5,1918.7 54.6,1920.7 49.6,781.5 46.4,459.2 66.0,458.0 67.0,436.0 46.1,434.3 46.0,422.0 44.3,36.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0057/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1571.0,1146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.618977,41.531395]}},{"type":"Feature","properties":{"resourceCoords":[46.0,422.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.622617,41.532707]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p58","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"16"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0058","type":"ImageService3","width":1636,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.6,21.6 413.0,23.0 498.1,17.6 753.5,16.1 791.0,17.0 791.2,15.8 861.5,15.4 862.0,21.0 1026.0,19.0 1025.5,14.4 1422.6,11.9 1429.0,20.0 1464.0,20.0 1464.0,19.6 1530.4,18.7 1529.1,75.2 1524.9,253.4 1524.8,515.5 1527.8,655.5 1535.5,1115.1 1531.8,1345.7 1538.6,1874.0 1461.7,1875.7 95.0,1895.0 94.1,1799.4 100.2,1464.8 98.0,996.7 92.7,524.7 88.7,402.8 114.2,368.8 113.6,39.9 113.6,21.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0058/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[95.0,768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.618977,41.532047]}},{"type":"Feature","properties":{"resourceCoords":[95.0,1895.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.619002,41.530032]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p59","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0059/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0059","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1557.7,1229.8 1521.3,756.0 1531.0,756.0 1552.0,292.3 1372.6,55.4 403.4,35.2 68.3,97.6 1.0,220.7 1.0,940.7 47.0,940.8 80.5,1521.1 92.5,1563.3 88.2,1898.0 542.1,1899.5 1090.9,1907.7 1091.0,1901.4 1548.5,1926.3 1557.7,1229.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0059/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[540.0,1545.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61027727708047,41.53141275919725]}},{"type":"Feature","properties":{"resourceCoords":[392.0,110.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60680040816943,41.5317159968584]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p6","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0006","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.2,1631.4 62.4,1105.4 71.8,680.5 64.3,680.6 90.4,207.6 1318.6,172.3 1450.7,653.6 1575.3,651.1 1563.5,880.8 1538.2,922.1 1531.3,1330.5 1534.4,1442.6 1521.1,1698.9 1396.1,1698.6 589.3,1696.0 101.2,1695.4 69.0,1698.0 65.2,1631.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1102.0,1698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6470034,41.5245162]}},{"type":"Feature","properties":{"resourceCoords":[69.0,1698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6491243,41.5235542]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p60","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0060","type":"ImageService3","width":1636,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1287.2,1896.2 763.0,1897.3 534.2,1891.2 78.0,1894.0 78.1,1844.5 78.4,1582.3 80.3,64.2 537.9,60.2 1091.2,62.0 1091.2,55.7 1552.7,75.4 1550.5,1509.3 1550.0,1894.0 1287.2,1896.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0060/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[78.0,1894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6155525,41.5322244]}},{"type":"Feature","properties":{"resourceCoords":[1550.0,1894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6155474,41.5295721]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p61","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0061","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1037.0,1814.8 983.1,1809.9 576.6,1606.5 426.0,1606.4 418.4,1817.3 365.6,1824.8 365.8,1576.2 267.9,1516.0 170.0,1274.9 133.8,118.2 1327.2,112.9 1327.0,142.0 1602.8,140.3 1603.0,174.2 1630.0,174.2 1630.0,199.1 1630.0,218.9 1603.2,219.7 1605.8,623.9 1603.2,624.0 1603.0,1054.0 1606.3,1773.2 1606.3,1774.3 1037.0,1814.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0061/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1327.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.623781,41.529275]}},{"type":"Feature","properties":{"resourceCoords":[1603.0,1054.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62312,41.527642]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p62","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0062","type":"ImageService3","width":1636,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"131.4,1812.8 43.2,1611.0 27.6,537.7 3.0,539.3 3.0,538.1 3.4,206.2 444.1,127.9 444.1,134.8 899.0,152.5 899.0,156.0 935.3,156.1 1589.2,157.6 1603.3,526.4 1593.5,586.0 1572.0,586.0 1571.0,619.0 1575.0,629.0 1593.0,629.0 1589.8,917.9 1596.2,918.0 1581.1,1358.7 1584.7,1358.7 1600.3,1759.7 1499.5,1759.8 899.0,1756.0 899.0,1763.0 689.1,1779.9 689.3,1754.9 368.6,1758.3 370.4,1911.0 272.2,1766.4 236.4,1726.7 246.6,1813.5 131.4,1812.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[899.0,1756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6209267,41.52416]}},{"type":"Feature","properties":{"resourceCoords":[899.0,156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.620951,41.527056]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p63","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0063","type":"ImageService3","width":1631,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.7,1455.8 29.0,1028.8 31.6,1028.7 29.3,627.2 70.0,626.0 69.0,582.0 29.0,582.0 28.8,548.3 164.5,547.5 255.3,136.1 918.5,138.2 1598.5,132.8 1598.7,544.0 1603.2,544.0 1615.1,956.1 1623.1,956.1 1617.6,1364.5 1611.8,1364.5 1612.2,1779.4 965.4,1781.4 928.9,1781.5 928.9,1778.0 472.2,1762.8 472.1,1755.8 30.2,1836.8 28.7,1455.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[923.0,957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6209669,41.5285427]}},{"type":"Feature","properties":{"resourceCoords":[239.0,136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.622616,41.530022]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p64","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0064","type":"ImageService3","width":1636,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.5,959.1 43.5,959.0 34.5,549.0 30.1,549.0 32.8,140.1 173.0,140.0 1521.0,144.1 1596.9,143.7 1597.5,404.9 1593.8,562.2 1593.8,640.6 1575.0,640.0 1573.0,674.0 1576.0,689.0 1593.8,689.0 1593.7,967.8 1595.8,1518.2 1593.0,1783.9 1368.3,1783.0 34.9,1777.8 37.4,1365.1 43.1,1365.1 51.5,959.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[173.0,140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.619002,41.530032]}},{"type":"Feature","properties":{"resourceCoords":[1594.0,1376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6155372,41.5278115]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0065__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p65 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6516.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0065__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0065","type":"ImageService3","width":1629,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.3,1835.9 568.0,1854.8 568.0,1851.2 1005.4,1847.5 1005.3,1834.7 1541.8,1872.3 1538.1,1116.3 1537.9,1074.1 813.0,1080.0 806.2,684.8 802.8,297.9 800.5,156.7 438.1,150.6 438.4,171.2 94.5,183.7 93.3,182.2 79.2,648.5 69.4,648.6 113.1,1124.3 114.3,1835.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0065__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[813.0,1080.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.609376,41.528307]}},{"type":"Feature","properties":{"resourceCoords":[113.0,1080.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.609373,41.529572]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0065__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p65 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3984.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2532.0"},{"label":"split_canvas_h","value":"4036.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0065__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0065","type":"ImageService3","width":1629,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1338.2,976.5 1621.8,986.0 1628.0,952.1 1628.0,944.6 1513.1,735.2 1600.1,623.7 1576.7,136.0 1319.8,75.0 1319.9,71.5 1072.7,252.3 1074.3,603.0 1095.2,603.4 1077.4,972.3 1338.2,976.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0065__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1484.0,511.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60621681835092,41.529165865527084]}},{"type":"Feature","properties":{"resourceCoords":[1484.0,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60621023664703,41.52900100150118]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p66","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0066","type":"ImageService3","width":1636,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1487.3,1894.0 1220.8,1892.3 668.9,1896.7 262.2,1898.2 104.4,1895.2 105.9,1511.8 111.3,94.0 564.8,115.5 564.7,111.8 1001.9,110.7 1002.0,97.8 1538.0,138.4 1537.7,714.4 1537.7,731.5 1536.2,1584.5 1531.5,1894.0 1487.3,1894.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0066/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1000.0,734.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.612735,41.527961]}},{"type":"Feature","properties":{"resourceCoords":[568.0,734.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.612739,41.528742]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p67","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0067/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0067","type":"ImageService3","width":1629,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1393.4,163.2 1619.2,164.3 1619.0,208.6 1615.6,1698.3 1618.7,1763.6 1375.0,1767.5 606.1,1764.3 69.7,1763.1 55.2,1360.8 51.6,1360.8 68.1,918.8 61.7,918.7 64.2,735.4 72.0,735.0 68.0,690.0 64.8,690.1 65.7,629.0 44.8,585.8 66.3,585.8 76.3,526.1 63.2,156.2 1393.4,163.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[642.0,1371.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6178604495331,41.52487826697361]}},{"type":"Feature","properties":{"resourceCoords":[642.0,1767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61785165861151,41.52416366358682]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p68","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0068","type":"ImageService3","width":1636,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"222.9,1674.5 234.6,200.3 541.4,208.3 1387.0,219.1 1381.8,251.3 1377.8,764.8 1378.0,1131.0 1387.1,1377.4 1386.6,1581.0 1392.8,1624.6 261.2,1724.3 225.6,1739.1 222.9,1674.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0068/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1378.0,1131.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.612713,41.525326]}},{"type":"Feature","properties":{"resourceCoords":[1378.0,732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6127274,41.5260535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p69","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0069","type":"ImageService3","width":1629,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.8,202.2 1493.6,198.1 1536.0,198.0 1534.6,748.6 1542.5,1127.2 1542.9,1466.4 164.3,1627.3 157.4,1583.2 154.9,1376.7 142.0,1127.0 136.3,755.7 132.8,235.0 137.6,202.2 154.8,202.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[142.0,1127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.612713,41.525326]}},{"type":"Feature","properties":{"resourceCoords":[1536.0,198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.609365,41.526997]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p7","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0007","type":"ImageService3","width":1647,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"273.7,1470.3 391.2,1417.5 369.5,317.4 835.6,270.3 1344.0,116.2 1360.4,982.2 1360.1,1319.2 1646.0,1309.7 1646.0,1325.0 566.3,1846.2 273.7,1470.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1362.0,954.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.646015,41.528298]}},{"type":"Feature","properties":{"resourceCoords":[1362.0,1597.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.645778,41.527134]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p70","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0070","type":"ImageService3","width":1640,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.0,127.8 415.8,124.0 803.3,123.5 1201.1,120.2 1479.8,122.9 1486.0,83.9 1589.2,261.6 1583.4,800.0 1580.0,800.0 1578.0,844.0 1582.9,844.2 1572.9,1770.8 1192.0,1767.0 798.8,1768.0 799.0,1737.8 411.6,1739.5 411.5,1751.0 20.9,1724.3 16.0,1402.4 20.4,853.8 20.0,127.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[799.0,121.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60749827584573,41.52832741458336]}},{"type":"Feature","properties":{"resourceCoords":[35.0,1752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60931740759517,41.52537603568213]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0071__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p71 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0071__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0071","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"47.5,1926.4 346.0,1935.0 401.0,1931.0 441.8,1931.0 708.1,1919.9 962.9,1917.9 1391.0,1892.2 1524.7,1887.0 1522.2,1350.4 1544.7,1344.2 1506.7,869.4 1483.0,874.0 1544.7,432.4 1627.0,388.8 1627.0,208.6 1538.4,46.8 1524.1,20.8 1470.6,18.6 1378.9,54.3 1055.0,69.3 1054.5,19.8 1050.0,20.0 948.7,18.3 508.5,200.6 121.0,364.7 178.7,493.0 169.7,627.0 168.0,650.6 122.2,1138.2 80.5,1528.7 53.4,1902.5 47.5,1926.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0071__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[24.0,1906.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64589603827598,41.51862741886491]}},{"type":"Feature","properties":{"resourceCoords":[1467.0,-125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64286023507583,41.52256073202337]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0071__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p71 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.61"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2688.0"},{"label":"split_canvas_h","value":"1498.8"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0071__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0071","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"365.7,18.2 1.0,164.7 1.0,261.7 330.8,249.8 413.9,218.5 468.9,197.8 375.4,17.9 365.7,18.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0071__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[479.0,156.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64270422436185,41.522413116004]}},{"type":"Feature","properties":{"resourceCoords":[384.0,4.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64296769611575,41.5226672431991]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p72","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0072/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0072","type":"ImageService3","width":1640,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"241.9,1886.3 232.7,1346.5 255.2,1340.0 211.0,862.8 187.2,867.6 243.7,422.5 375.5,350.6 402.4,335.9 515.9,540.6 1450.4,340.4 1408.1,910.5 1369.2,1383.5 1345.9,1768.0 1342.6,1822.6 1097.2,1832.2 578.2,1868.9 241.9,1886.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0072/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[856.0,1176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64091980191075,41.52029130339028]}},{"type":"Feature","properties":{"resourceCoords":[413.0,333.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64215405241454,41.52174877784493]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p73","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0073","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"623.2,1913.4 497.2,1930.5 484.0,1930.0 461.0,1931.1 316.7,1933.8 316.2,1900.0 310.2,1513.0 313.1,1036.4 311.9,462.1 312.2,423.2 317.6,65.8 1325.0,66.4 1328.2,230.8 1334.1,440.9 1333.2,628.2 1337.3,1033.9 1333.8,1319.4 1330.7,1817.6 623.2,1913.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0073/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[308.0,1045.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63965208977332,41.520836426154645]}},{"type":"Feature","properties":{"resourceCoords":[308.0,1528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63964605047282,41.519965014099576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p74","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"12"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0074/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0074","type":"ImageService3","width":1640,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1379.7,1632.2 981.3,1690.0 859.2,1713.2 636.8,1743.4 421.0,1776.6 86.8,1825.2 89.0,1324.1 92.0,1037.0 87.1,629.0 87.7,440.6 81.3,229.2 1589.7,237.1 1587.1,643.1 1586.5,906.0 1579.0,906.0 1577.0,940.0 1579.0,955.0 1586.3,954.9 1584.8,1555.9 1584.7,1607.3 1379.7,1632.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0074/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[92.0,1037.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.637172,41.520866]}},{"type":"Feature","properties":{"resourceCoords":[1587.0,1037.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63359,41.520875]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0075/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p75","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0075/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0075","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"540.9,283.6 824.9,266.7 824.9,271.2 1154.8,265.3 1154.8,259.6 1582.9,256.9 1581.6,418.8 1578.5,783.5 1581.8,1166.4 1580.0,1382.0 1576.9,1755.0 88.5,1739.6 82.6,1376.5 538.0,1382.0 538.0,1348.5 540.9,283.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0075/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[538.0,1382.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63612,41.522972]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,1382.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63359,41.522988]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0076/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p76","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0076/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0076","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.0,20.4 378.0,19.0 379.0,23.0 406.0,24.0 406.6,21.1 426.7,22.6 427.0,24.0 434.6,23.2 458.0,25.0 618.0,14.0 925.0,21.0 1028.0,17.0 1028.3,12.3 1323.7,14.3 1435.9,14.4 1436.0,16.0 1463.0,16.0 1488.9,14.5 1489.0,16.0 1580.4,14.8 1583.3,213.7 1597.4,213.8 1594.2,968.2 1579.0,968.0 1580.0,1016.0 1594.0,1016.4 1594.6,1016.5 1595.3,1016.5 1606.3,1757.3 1590.7,1759.5 1323.6,1797.7 1027.1,1840.5 887.6,1859.1 758.8,1876.3 420.4,1920.8 358.0,1929.0 325.0,1928.0 291.4,1929.4 97.2,1930.8 97.3,1911.8 103.0,1001.7 107.0,596.9 109.6,220.1 111.0,20.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0076/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[611.0,1896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.632357,41.519979]}},{"type":"Feature","properties":{"resourceCoords":[97.0,1963.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.633591,41.519852]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0077/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p77","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0077/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0077","type":"ImageService3","width":1628,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1362.5,1800.4 1067.3,1799.3 964.1,1808.3 657.3,1802.2 497.4,1813.8 417.5,1808.0 150.7,1810.3 150.8,1792.0 145.6,1405.4 147.0,1037.2 148.0,780.0 150.4,153.4 1352.9,140.3 1535.0,138.4 1550.5,485.4 1547.2,774.1 1543.5,774.2 1580.6,1045.3 1594.5,1045.2 1597.3,1410.8 1577.3,1410.8 1564.6,1800.0 1501.7,1801.6 1474.7,1801.7 1362.5,1800.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0077/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1334.0,1410.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6307481,41.524076]}},{"type":"Feature","properties":{"resourceCoords":[148.0,780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.633606,41.525202]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0078__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p78 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6580.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0078__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0078","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"164.7,1791.7 481.8,1792.8 1084.6,1793.5 1414.9,1796.9 1537.5,1796.5 1413.9,1640.4 1182.7,1229.6 1244.8,1193.1 1185.7,1180.7 886.7,710.6 935.0,340.4 892.3,176.9 774.8,71.9 772.6,47.9 538.4,137.1 543.2,145.4 508.6,145.6 92.5,147.4 105.5,490.8 100.3,776.4 96.7,776.4 131.7,1044.8 145.4,1044.8 145.8,1406.5 126.0,1406.4 110.9,1791.2 164.7,1791.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0078__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[514.0,1793.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62921,41.52338]}},{"type":"Feature","properties":{"resourceCoords":[920.0,773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.628249,41.525244]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0078__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p78 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4164.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2416.0"},{"label":"split_canvas_h","value":"5086.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0078__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0078","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1123.3,753.0 1538.2,757.8 1538.9,741.5 1592.3,777.3 1590.7,753.4 1546.8,114.8 1213.9,86.4 1202.9,75.6 1129.7,72.8 1102.9,551.5 1123.3,753.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0078__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1545.0,746.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62588686032346,41.52381522388098]}},{"type":"Feature","properties":{"resourceCoords":[1115.0,106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62758483113583,41.524354033521774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0079/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p79","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0079/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0079","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"214.7,1095.2 214.5,364.8 200.5,364.8 196.7,166.3 516.5,165.1 1124.5,160.9 1457.7,161.7 1460.8,1731.1 1244.6,1761.6 248.0,1901.2 230.4,1903.7 216.1,1165.2 214.7,1165.1 214.7,1095.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0079/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[549.0,1858.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6292,41.520325]}},{"type":"Feature","properties":{"resourceCoords":[549.0,165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62921,41.52338]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p8","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0008","type":"ImageService3","width":1616,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"102.5,1848.0 103.3,1506.6 88.1,629.5 103.4,624.9 399.3,421.4 1267.7,132.6 1287.1,30.6 1358.7,33.1 1306.2,969.8 1178.9,1026.6 1273.6,1036.0 1135.7,1815.2 102.5,1848.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.64680875154701,41.53091022023063]}},{"type":"Feature","properties":{"resourceCoords":[1616.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6429563095657,41.53135561236458]}},{"type":"Feature","properties":{"resourceCoords":[1616.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.64223969183605,41.527872784052576]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.64609213381736,41.52742739191863]}},{"type":"Feature","properties":{"resourceCoords":[105.0,1478.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.646015,41.528298]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0080__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p80 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6580.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0080__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0080","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1611.2,1626.1 1644.0,1621.4 1640.8,1614.8 1630.0,1614.0 1630.8,1594.4 1604.1,1597.9 1598.2,1130.8 1580.0,1130.0 1579.0,1113.0 1595.0,1083.0 1597.7,1083.0 1596.6,998.5 1491.7,668.9 689.9,219.4 682.4,77.0 638.5,19.0 574.6,18.2 582.9,32.2 235.3,253.8 111.3,255.4 118.5,1828.3 672.2,1751.3 1058.0,1691.9 1260.1,1670.0 1611.2,1626.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0080__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[324.0,1790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6265087345252,41.52062702279646]}},{"type":"Feature","properties":{"resourceCoords":[1593.0,1641.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62345705605294,41.52089519376752]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0081/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p81","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0081/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0081","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1842.7 1.0,1866.2 90.2,1854.3 537.6,1806.8 554.5,1825.8 1293.0,1870.3 1466.3,1806.3 1559.3,1665.6 1615.2,1670.7 1542.8,1618.2 1467.8,771.6 1503.3,772.4 1523.0,547.9 1542.3,547.7 1518.1,152.2 1271.5,148.8 666.8,136.5 666.7,143.5 455.1,157.5 455.6,132.3 132.7,131.2 132.3,285.0 35.5,138.0 1.0,98.7 1.0,107.0 9.0,183.0 9.0,185.1 65.6,186.2 94.3,254.4 115.1,705.2 59.0,876.7 107.0,1831.0 1.0,1842.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0081/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1059.0,773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61995408039778,41.52303053100534]}},{"type":"Feature","properties":{"resourceCoords":[1468.0,773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61897238022286,41.52304557191586]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0082/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p82","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0082/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0082","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1459.2,1548.6 1315.5,1543.9 982.9,1581.8 423.5,1653.3 410.5,1677.7 192.7,1661.7 120.3,1611.4 31.0,779.0 66.0,779.1 81.3,557.6 100.3,557.1 69.2,168.0 456.7,166.1 1217.0,163.6 1458.0,158.0 1459.2,1527.5 1459.2,1531.9 1459.2,1548.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0082/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[31.0,779.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.618973,41.523048]}},{"type":"Feature","properties":{"resourceCoords":[1458.0,158.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6154977,41.5241861]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0083/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p83","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"22"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0083/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0083","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.5,460.7 177.6,445.7 1323.8,347.2 1364.3,711.4 1458.9,698.0 1477.8,931.5 1501.0,1158.0 1558.9,1614.8 1573.2,1664.1 798.9,1762.5 121.8,1848.3 141.5,460.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0083/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[129.0,1338.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.615492,41.5226061]}},{"type":"Feature","properties":{"resourceCoords":[1501.0,1158.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6122,41.522972]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0084/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p84","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0084/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0084","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"315.9,1592.8 254.2,1139.7 229.0,914.9 208.1,683.0 114.2,697.2 70.7,335.9 1439.5,186.5 1438.5,536.9 1430.5,979.8 1431.5,1444.4 1425.3,1495.5 993.9,1550.4 330.6,1641.7 315.9,1592.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0084/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[268.0,1141.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.61216652355581,41.522969730089685]}},{"type":"Feature","properties":{"resourceCoords":[1435.0,994.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60934393493537,41.52325234650158]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0085/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p85","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0085/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0085","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.4,1786.4 35.6,1322.6 36.7,1247.4 61.0,1247.0 63.0,1200.0 37.4,1200.0 41.9,880.3 41.5,530.5 42.4,194.5 41.4,139.6 429.8,165.2 429.9,153.8 815.0,151.4 814.9,181.5 1205.8,179.7 1584.4,182.7 1571.7,1622.6 1005.9,1702.5 419.6,1781.2 32.4,1837.5 38.4,1786.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0085/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[806.0,149.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60749779629528,41.52541389944348]}},{"type":"Feature","properties":{"resourceCoords":[45.0,1817.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60932774824356,41.52238049490767]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0086/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p86","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0086/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0086","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"683.1,93.0 1198.2,29.0 1200.6,29.0 1218.8,29.0 1357.6,29.0 1545.7,37.6 1596.0,143.4 1600.7,1254.5 1564.0,1257.0 1565.0,1303.0 1600.9,1302.4 1602.5,1662.8 1549.4,1902.7 483.3,1885.4 483.1,1908.0 84.0,1896.8 85.7,1647.6 90.5,219.7 91.5,162.5 683.1,93.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0086/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[82.0,1655.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6083694587976,41.51975752462801]}},{"type":"Feature","properties":{"resourceCoords":[665.0,86.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.60704274545515,41.522607023097486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0087/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p87","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0087/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0087","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1052.8,1818.8 867.8,1740.9 219.7,1684.5 131.8,1593.3 143.8,929.7 80.0,742.0 113.9,518.9 221.2,356.7 220.2,346.4 1164.3,229.3 1249.5,215.2 1408.7,192.2 1323.7,716.6 1303.3,716.3 1293.8,1266.6 1274.9,1266.3 1264.2,1812.0 1052.8,1818.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0087/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[776.0,278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.650564,41.518044]}},{"type":"Feature","properties":{"resourceCoords":[208.0,1262.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.651893,41.516246]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0088/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p88","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0088/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0088","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"220.9,199.8 253.1,194.1 863.4,114.2 1506.6,25.4 1519.5,728.8 1530.7,1599.8 1579.6,1597.7 1565.2,1869.8 1379.4,1788.0 1200.9,1765.7 73.2,1822.0 74.0,1278.0 92.8,1278.0 92.4,729.4 112.7,729.4 188.1,205.2 220.9,199.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0088/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[74.0,1278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.649316,41.516273]}},{"type":"Feature","properties":{"resourceCoords":[1526.0,1278.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.645797,41.516273]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0089/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p89","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0089/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0089","type":"ImageService3","width":1623,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.6,1841.9 148.0,964.0 141.1,255.1 145.3,228.2 447.2,211.2 811.3,164.8 1068.2,140.9 1065.5,208.6 1193.1,1176.1 1253.6,1146.0 1308.4,1824.6 201.6,1829.7 200.9,1840.2 151.6,1841.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0089/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[148.0,964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6458126,41.5172697]}},{"type":"Feature","properties":{"resourceCoords":[662.0,1828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6445587,41.515722]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p9","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0009","type":"ImageService3","width":1647,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1160.9,1836.1 148.2,1890.8 265.3,1815.2 173.8,881.5 102.7,890.0 103.7,858.9 128.4,128.3 240.5,83.5 1473.0,45.4 1487.2,1026.0 1475.4,1819.1 1383.6,1824.0 1160.9,1824.2 1160.9,1836.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.64397534394207,41.53281970067434]}},{"type":"Feature","properties":{"resourceCoords":[1647.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.64000257484987,41.532817784767204]}},{"type":"Feature","properties":{"resourceCoords":[1647.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.64000559944479,41.529293775514354]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.64397836853699,41.52929569142149]}},{"type":"Feature","properties":{"resourceCoords":[1466.0,1824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.640442,41.52952]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0090/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p90","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0090/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0090","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"445.4,79.2 915.0,22.0 927.0,68.2 930.2,80.6 1014.0,402.4 1028.2,418.4 1039.4,430.9 1064.8,459.2 1032.0,471.9 1077.4,673.8 1084.1,703.4 1626.3,1787.8 1635.0,1830.7 1591.0,1805.3 596.4,1890.9 275.9,1820.0 251.3,1820.0 198.7,1143.2 138.3,1173.1 13.9,208.2 16.8,140.6 445.4,79.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0090/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[605.0,952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64217552807935,41.51731304345034]}},{"type":"Feature","properties":{"resourceCoords":[979.0,1822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.64124920167423,41.51574973872766]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0091__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p91 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6496.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0091__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0091","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"8.4,483.3 10.3,513.5 373.9,1664.9 386.4,1738.0 1365.5,1882.8 1469.8,1802.5 1372.7,1619.9 1371.4,1571.7 929.9,567.8 876.2,485.0 871.4,434.3 829.1,338.0 722.2,120.5 708.1,60.3 707.9,123.7 29.5,270.3 1.0,276.4 1.0,301.2 8.4,483.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0091__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1070.0,910.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63833543168106,41.517387219421565]}},{"type":"Feature","properties":{"resourceCoords":[-53.0,295.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6412673747834,41.51814323467814]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0091__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p91 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3320.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3176.0"},{"label":"split_canvas_h","value":"2713.6"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0091__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0091","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1385.6,151.6 867.9,144.2 906.9,532.3 948.4,596.2 1623.0,447.7 1623.0,384.4 1607.6,312.3 1617.8,220.7 1623.0,162.4 1385.6,151.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0091__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[890.9,152.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6413956274011,41.51899178969785]}},{"type":"Feature","properties":{"resourceCoords":[890.9,600.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6412158175508,41.51818814183979]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0092__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p92 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3618.8"},{"label":"split_canvas_w","value":"6584.0"},{"label":"split_canvas_h","value":"4177.2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0092__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0092","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"161.9,1028.2 157.6,1634.8 159.8,1927.8 168.6,1928.5 342.0,1927.0 342.2,1929.3 484.8,1930.0 485.0,1927.0 686.0,1926.0 734.0,1930.0 990.0,1926.0 1050.0,1930.0 1050.0,1932.4 1072.5,1932.5 1073.0,1930.0 1221.0,1925.0 1420.8,1925.5 1420.7,1570.5 1422.8,904.7 161.9,904.7 161.9,991.2 161.9,1028.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0092__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[608.0,927.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6294559802594,41.5175990034146]}},{"type":"Feature","properties":{"resourceCoords":[1424.0,927.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62748984138747,41.51760347536751]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0092__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p92 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6584.0"},{"label":"split_canvas_h","value":"3618.8"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0092__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0092","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"168.7,498.5 204.2,903.7 261.8,903.7 1418.8,901.9 1459.8,901.1 1456.0,610.1 1456.7,21.9 1273.0,23.0 1273.0,7.8 1237.6,7.9 900.4,8.6 851.0,9.1 851.0,20.0 835.0,24.0 654.0,16.0 554.0,22.0 519.5,21.1 519.0,23.0 498.0,23.0 497.4,20.6 416.9,18.6 416.7,48.7 414.8,445.7 179.1,446.4 168.7,498.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0092__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[423.0,453.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63304118503797,41.51660923075981]}},{"type":"Feature","properties":{"resourceCoords":[1460.0,637.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63052646099938,41.51626954428801]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0093/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p93","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0093/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0093","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"148.2,324.4 134.8,230.1 146.3,118.9 153.1,119.0 193.9,118.8 462.9,117.6 1178.8,114.3 1515.4,110.2 1562.2,109.2 1560.7,751.9 1544.5,750.3 1534.3,1320.7 1544.9,1322.0 1521.5,1759.7 1470.2,1752.3 896.8,1795.3 873.3,1842.4 394.1,846.6 337.1,765.0 330.5,714.1 284.6,618.6 169.5,403.3 148.2,324.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0093/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[198.0,402.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.6394205066046,41.51870127673524]}},{"type":"Feature","properties":{"resourceCoords":[545.0,1183.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63834117799976,41.517392832767364]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0094/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p94","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0094/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0094","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"284.9,129.6 505.8,130.2 628.0,124.0 1024.2,121.5 1227.5,124.8 1231.9,93.3 1487.3,126.0 1549.5,126.2 1550.6,126.2 1263.0,1483.7 1258.0,1483.0 1252.9,1517.4 1194.2,1909.0 961.6,1876.0 944.0,1925.9 945.8,1893.3 66.6,1761.5 92.2,1329.6 81.8,1328.2 95.2,765.1 111.0,766.8 116.2,132.1 284.9,129.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0094/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[628.0,124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.635036,41.5197]}},{"type":"Feature","properties":{"resourceCoords":[1258.0,1483.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.633053,41.517409]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0095/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p95","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0095/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0095","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1155.8,1739.9 778.3,1737.7 728.2,1737.8 711.9,1752.8 528.5,1743.3 427.1,1748.5 288.2,1744.0 288.2,1739.2 293.3,1739.1 395.9,332.2 734.3,286.9 1003.5,250.5 1301.0,206.9 1333.5,272.9 1342.2,1612.2 1342.0,1741.0 1341.9,1755.7 1155.7,1755.3 1155.8,1739.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0095/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[586.0,307.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.632357,41.519979]}},{"type":"Feature","properties":{"resourceCoords":[1342.0,1741.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.63053,41.517415]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0096/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p96","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0096/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0096","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"195.8,269.8 164.1,204.4 429.1,167.5 462.2,163.1 1454.5,32.8 1453.2,1194.6 1450.0,1598.0 1449.9,1607.4 196.3,1597.4 195.8,269.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0096/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[642.0,139.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62949,41.520293]}},{"type":"Feature","properties":{"resourceCoords":[1450.0,1598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.627493,41.517662]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0097/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p97","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0097/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0097","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"238.9,1831.9 210.3,1614.1 139.7,1057.3 84.7,669.5 65.1,466.3 25.4,113.4 81.8,108.0 1620.0,112.8 1620.8,463.4 1536.1,463.1 1468.0,818.1 1472.1,818.1 1467.0,1107.4 1429.3,1107.3 1423.8,1412.0 1432.0,1416.5 1414.2,1834.3 238.9,1831.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0097/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[210.0,1602.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62697405347451,41.520558820060614]}},{"type":"Feature","properties":{"resourceCoords":[41.0,107.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.62339755475169,41.520894113756164]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0098/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p98","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0098/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0098","type":"ImageService3","width":1646,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1548.4,1815.2 1185.3,1819.5 511.0,1825.0 106.1,1829.6 115.4,1414.7 107.1,1410.3 106.5,1107.9 143.8,1107.2 143.2,820.2 139.0,820.2 199.5,466.6 283.5,465.3 275.7,117.3 564.5,115.0 1515.8,98.5 1517.7,270.6 1538.0,297.1 1548.4,1815.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0098/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[575.0,525.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.624356,41.517527]}},{"type":"Feature","properties":{"resourceCoords":[511.0,1825.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.627493,41.517662]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0099/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cleveland, Ohio | 1951 | sanborn06648_035 p99","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-17T23:31:35Z","modified":"2026-10-17T23:31:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0099/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0099","type":"ImageService3","width":1624,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"208.0,1760.3 151.9,1765.5 147.8,1732.5 120.8,1745.3 77.3,1360.0 100.8,1359.9 88.5,1269.7 39.6,822.3 58.4,805.3 100.0,66.3 114.2,104.7 258.0,105.0 308.9,55.4 658.5,106.3 1040.0,37.5 1530.0,165.8 1568.0,211.1 1554.5,614.2 1556.2,971.5 1552.5,971.5 1547.0,1359.6 1544.0,1359.6 1557.2,1770.8 208.0,1760.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g06648195104:06648_04_1951-0099/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.61918343259366,41.52125004607084]}},{"type":"Feature","properties":{"resourceCoords":[1624.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.61911857545468,41.51831206214992]}},{"type":"Feature","properties":{"resourceCoords":[1624.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.62379484978992,41.518253372860855]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.6238597069289,41.52119135678178]}}]}}]}