{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03975_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Constantine, Michigan | 1916 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"14"},{"label":"placed","value":"8"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 5, georef-snap 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 41.79869,-85.63653 +/-177m); p1__2 (tier 4, 41.83987,-85.66711 +/-493m); p1__3 (tier 4, 41.83987,-85.66711 +/-493m); p4__2 (tier 1, 41.84168,-85.66023 +/-100m); p5__2 (tier 1, 41.83941,-85.67036 +/-100m); p5__3 (tier 1, 41.84215,-85.66430 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1916 | sanborn03975_005 p1 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.89"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3204.0"},{"label":"split_canvas_y","value":"2456.4"},{"label":"split_canvas_w","value":"1636.0"},{"label":"split_canvas_h","value":"5251.6"}],"created":"2026-10-20T02:25:05Z","modified":"2026-10-20T02:25:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1006.2,1816.4 1134.0,1820.7 1159.9,1534.9 1146.5,1534.8 1123.0,980.8 1130.1,975.4 1108.3,627.8 858.9,680.9 857.4,1767.8 908.3,1835.5 1006.0,1841.3 1006.2,1816.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[801.0,614.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.67158990893623,41.840639224854414]}},{"type":"Feature","properties":{"resourceCoords":[1210.0,614.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.67066325566654,41.841015481248434]}},{"type":"Feature","properties":{"resourceCoords":[1210.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6690405706342,41.83880111344946]}},{"type":"Feature","properties":{"resourceCoords":[801.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.66996722390388,41.83842485705544]}},{"type":"Feature","properties":{"resourceCoords":[845.0,1532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6703557,41.8391315]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1916 | sanborn03975_005 p1 [5]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.85"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4840.0"},{"label":"split_canvas_y","value":"2443.6"},{"label":"split_canvas_w","value":"1672.0"},{"label":"split_canvas_h","value":"5264.4"}],"created":"2026-10-20T02:25:05Z","modified":"2026-10-20T02:25:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1428.8,1855.6 1428.8,1830.0 1496.3,1830.0 1530.1,1233.8 1557.5,1233.7 1497.0,651.6 1456.5,652.1 1456.0,658.7 1315.3,655.2 1259.1,723.7 1259.2,778.9 1316.6,980.4 1278.6,1751.7 1428.8,1855.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1259.0,1830.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6682293,41.8361253]}},{"type":"Feature","properties":{"resourceCoords":[1259.0,654.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6696583,41.8381283]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0001__6/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1916 | sanborn03975_005 p1 [6]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4210.0"},{"label":"split_canvas_w","value":"3204.0"},{"label":"split_canvas_h","value":"3498.0"}],"created":"2026-10-20T02:25:05Z","modified":"2026-10-20T02:25:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0001__6/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"755.9,1864.2 761.1,1401.2 721.3,1297.4 764.0,1285.2 695.9,1054.3 677.4,1119.4 526.0,1071.8 204.8,1103.2 130.9,1052.5 107.9,1052.5 53.2,1052.5 135.1,1359.0 151.7,1359.0 147.6,1578.2 155.2,1874.7 755.9,1864.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0001__6/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[163.0,1860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.66707585629975,41.84175109908119]}},{"type":"Feature","properties":{"resourceCoords":[163.0,1355.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.66767605187366,41.84260067979885]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1916 | sanborn03975_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:25:05Z","modified":"2026-10-20T02:25:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"61.9,980.2 69.0,974.6 42.0,620.0 45.8,619.2 70.0,113.0 300.7,121.4 446.8,44.5 1191.0,32.3 1526.5,88.0 1553.0,106.2 1474.5,106.0 1556.7,416.1 1573.5,416.0 1569.0,637.7 1576.2,937.4 1572.8,1230.5 1572.8,1577.0 1574.5,1852.5 978.6,1849.0 978.5,1841.0 374.1,1844.5 84.8,1837.8 107.3,1545.6 93.7,1545.8 61.9,980.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[970.0,424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.66903560951876,41.842040771056574]}},{"type":"Feature","properties":{"resourceCoords":[1557.0,1537.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.66641147920649,41.840705057818546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1916 | sanborn03975_005 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:25:05Z","modified":"2026-10-20T02:25:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"27.6,355.6 68.3,355.1 129.4,941.4 101.8,941.5 67.9,1542.0 1.0,1542.0 1.0,1568.5 46.9,1600.2 44.4,1830.1 1.0,1850.5 1.0,1850.7 409.9,1870.8 408.7,1926.0 557.1,1926.0 619.6,1926.0 619.2,1888.4 1589.4,1877.8 1620.7,1073.2 1594.7,1071.9 1591.2,899.5 1592.0,313.5 1591.0,73.1 1005.8,68.2 1005.8,60.4 412.2,62.5 1.0,52.4 1.0,77.4 34.1,79.0 42.0,139.0 27.6,355.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[417.0,940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6676204,41.8376729]}},{"type":"Feature","properties":{"resourceCoords":[417.0,1541.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6668951,41.8366558]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1916 | sanborn03975_005 p4 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-20T02:25:05Z","modified":"2026-10-20T02:25:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"61.1,1926.0 63.4,1841.6 1036.8,1894.0 1108.0,1417.5 1151.2,1417.5 1228.5,1417.5 1228.5,1417.5 1255.4,1423.8 1545.2,1549.4 1599.9,1427.9 1608.9,416.4 1526.1,271.3 1567.6,206.1 1531.2,108.5 1575.9,37.0 1627.0,35.2 1627.0,16.5 1627.0,6.5 1184.2,10.8 604.0,23.1 11.3,38.6 10.9,324.9 14.4,663.4 23.0,1171.6 29.6,1754.5 35.2,1926.0 61.1,1926.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1194.0,377.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6639569,41.8421834]}},{"type":"Feature","properties":{"resourceCoords":[907.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6629221,41.8394797]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1916 | sanborn03975_005 p5 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.80"},{"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":"2808.0"},{"label":"split_canvas_h","value":"2237.2"}],"created":"2026-10-20T02:25:05Z","modified":"2026-10-20T02:25:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"12.8,558.3 16.7,558.3 669.1,514.7 678.1,112.2 468.1,105.3 471.1,50.3 63.9,16.8 11.6,39.3 12.8,558.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.66763240869798,41.83572381883716]}},{"type":"Feature","properties":{"resourceCoords":[702.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.66606167267639,41.83639587468301]}},{"type":"Feature","properties":{"resourceCoords":[702.0,559.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.66534273874389,41.83546483331909]}},{"type":"Feature","properties":{"resourceCoords":[0.0,559.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.66691347476548,41.83479277747324]}},{"type":"Feature","properties":{"resourceCoords":[464.0,174.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6663693,41.8358787]}},{"type":"Feature","properties":{"resourceCoords":[464.0,174.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6663693,41.8358787]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0005__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Constantine, Michigan | 1916 | sanborn03975_005 p5 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1888.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"5820.0"}],"created":"2026-10-20T02:25:05Z","modified":"2026-10-20T02:25:05Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0005__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1157.6,1921.4 1604.9,1919.2 1581.0,1134.6 1504.6,1134.8 1493.7,1077.9 1563.8,828.4 1292.8,797.3 1102.0,513.8 925.5,526.5 868.8,613.8 714.0,663.8 135.5,683.0 29.6,1028.4 95.8,1271.5 50.9,1283.2 90.3,1392.6 74.9,1876.7 689.6,1881.7 1158.5,1890.9 1157.6,1921.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114cm:g039751916:03975_1916-0005__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1036.0,867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.66487133198129,41.84472167188282]}},{"type":"Feature","properties":{"resourceCoords":[120.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.66564833477426,41.842325796202225]}}]}}]}