{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06663_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Covington, Ohio | 1946 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"11"},{"label":"placed","value":"6"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 5, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 40.11956,-84.35368 +/-659m); p4__2 (tier 1, 40.12488,-84.35695 +/-100m); p4__3 (tier 1, 40.11502,-84.34866 +/-100m); p4__5 (tier 1, 40.12105,-84.34987 +/-100m); p5__2 (tier 1, 40.11927,-84.35138 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Covington, Ohio | 1946 | sanborn06663_007 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"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":"3570.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T15:35:51Z","modified":"2026-10-19T15:35:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"774.5,1801.5 891.5,1729.3 891.5,1723.3 851.3,1732.2 864.4,1070.3 891.5,832.1 891.5,823.2 858.3,121.3 755.5,84.0 633.0,79.5 614.7,71.4 379.2,103.7 145.2,95.1 84.9,119.0 84.8,424.1 176.8,554.0 169.0,765.8 115.5,804.7 50.6,951.2 42.2,1497.7 70.5,1830.0 262.9,1855.7 276.4,1893.4 265.3,1926.0 287.3,1926.0 289.1,1858.5 288.9,1837.0 535.2,1804.0 535.3,1774.0 774.5,1780.5 774.5,1801.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[303.8,1285.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35598196540124,40.12392685685744]}},{"type":"Feature","properties":{"resourceCoords":[303.8,1525.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35594022441435,40.1230567619737]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Covington, Ohio | 1946 | sanborn06663_007 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:35:51Z","modified":"2026-10-19T15:35:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"112.5,785.9 87.5,592.4 93.5,346.5 93.1,304.2 576.5,238.4 576.5,179.4 1046.4,191.2 1046.4,232.3 1305.3,72.0 1425.0,45.4 1459.2,112.3 1546.8,115.3 1548.3,130.6 1463.5,780.5 1572.3,790.9 1627.0,796.0 1627.0,802.6 1627.0,809.0 1586.0,1059.3 1511.4,1497.2 1505.3,1807.1 1505.5,1846.9 1030.3,1813.2 1030.2,1822.1 560.3,1817.7 560.3,1819.8 102.8,1824.3 102.8,1838.3 41.2,1830.1 39.6,1472.8 97.4,1065.9 71.1,1065.0 107.9,879.5 112.5,785.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[111.0,791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35587283706911,40.12102550589923]}},{"type":"Feature","properties":{"resourceCoords":[1043.0,205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3536700183939,40.12216728286893]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Covington, Ohio | 1946 | sanborn06663_007 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:35:51Z","modified":"2026-10-19T15:35:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.5,1432.5 68.3,261.7 131.3,269.3 131.2,255.1 598.1,245.3 598.1,243.1 1077.7,242.3 1077.7,233.2 1563.1,262.3 1565.8,437.9 1561.2,854.6 1566.9,1240.1 1564.3,1631.5 601.8,1623.8 113.2,1632.8 113.0,1674.9 32.9,1444.6 86.5,1432.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1086.0,685.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35352247070796,40.11837807100919]}},{"type":"Feature","properties":{"resourceCoords":[608.0,685.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3546541067952,40.118357882059634]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Covington, Ohio | 1946 | sanborn06663_007 p4 [1]","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":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T15:35:51Z","modified":"2026-10-19T15:35:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"167.9,49.8 90.2,67.1 54.8,155.1 69.1,1062.5 115.6,1126.5 222.0,1166.2 224.6,1210.7 283.8,1212.2 286.5,1249.3 352.1,1291.7 371.4,1410.6 348.2,1595.1 390.3,1836.8 474.2,1887.0 733.4,1886.1 887.1,1808.5 931.3,1669.0 1145.9,1526.2 1227.9,1506.1 1451.5,1297.0 1566.3,1296.1 1591.3,889.5 1562.2,870.3 1540.5,703.1 1497.3,650.2 1530.6,442.2 1397.0,385.6 1397.0,382.6 926.6,379.3 928.6,143.9 450.4,139.3 207.7,143.4 207.5,164.2 167.9,49.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[208.0,617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3557148718958,40.11489517051576]}},{"type":"Feature","properties":{"resourceCoords":[452.0,617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35455226225417,40.114917412056435]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0004__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Covington, Ohio | 1946 | sanborn06663_007 p4 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.49"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3988.0"},{"label":"split_canvas_y","value":"5340.0"},{"label":"split_canvas_w","value":"2524.0"},{"label":"split_canvas_h","value":"2368.0"}],"created":"2026-10-19T15:35:51Z","modified":"2026-10-19T15:35:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0004__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1463.8,1349.1 1404.9,1497.1 1053.7,1650.0 1012.5,1785.8 1068.7,1900.8 1358.2,1926.0 1460.2,1926.0 1504.5,1751.1 1514.0,1657.6 1499.1,1462.8 1507.7,1351.3 1463.8,1349.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0004__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[997.0,1335.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35717832158376,40.121545448792794]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1335.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3556631126044,40.12164619219179]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35553965330942,40.120557888663434]}},{"type":"Feature","properties":{"resourceCoords":[997.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.35705486228878,40.12045714526444]}},{"type":"Feature","properties":{"resourceCoords":[1514.0,1658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.3558696,40.1210351]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Covington, Ohio | 1946 | sanborn06663_007 p5 [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":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-10-19T15:35:51Z","modified":"2026-10-19T15:35:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.3,968.2 151.7,1175.2 154.2,1366.7 152.7,1561.2 150.7,1796.5 621.0,1799.6 621.0,1802.6 754.7,1859.2 760.9,1820.2 1182.1,1852.8 1527.8,1794.8 1579.2,1659.1 1581.9,1252.0 1524.2,1191.3 1283.5,1192.8 1237.0,980.6 1247.7,699.6 1249.7,699.6 1249.6,698.5 1289.5,698.5 1323.3,698.5 1436.5,696.9 1548.5,658.9 1551.5,536.9 1589.2,511.9 1559.7,507.4 1553.8,144.6 1515.0,69.5 1341.8,35.6 900.9,54.4 490.7,25.7 171.6,58.5 166.4,10.5 126.5,340.4 181.8,345.2 209.5,347.6 190.1,481.2 154.3,703.6 152.8,860.8 154.3,968.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084cm:g4084cm_g066631946:06663_1946-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[858.0,1567.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.34897576362425,40.11672697118787]}},{"type":"Feature","properties":{"resourceCoords":[640.0,989.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.35008288542089,40.11881373843611]}}]}}]}