{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04732_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"La Plata, Missouri | 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":"8"},{"label":"placed","value":"6"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 5, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 40.02059,-92.49648 +/-190m); p1__4 (tier 4, 40.02442,-92.49071 +/-486m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Plata, Missouri | 1916 | sanborn04732_004 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"4"},{"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":"835.2"},{"label":"split_canvas_w","value":"4133.2"},{"label":"split_canvas_h","value":"2690.8"}],"created":"2026-10-20T02:58:26Z","modified":"2026-10-20T02:58:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.5,861.4 435.1,850.7 435.2,855.1 996.3,846.5 996.3,816.6 978.8,818.0 994.4,356.4 946.4,230.8 640.4,222.7 569.1,381.7 37.9,425.8 49.5,861.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[996.3,390.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4915025,40.028303]}},{"type":"Feature","properties":{"resourceCoords":[996.3,846.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4915513,40.0274354]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Plata, Missouri | 1916 | sanborn04732_004 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.78"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3526.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4126.0"}],"created":"2026-10-20T02:58:26Z","modified":"2026-10-20T02:58:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.1,948.8 64.4,970.2 90.1,1828.2 172.3,1911.0 874.1,1855.5 937.0,1456.2 937.0,1453.0 937.0,1452.7 937.5,1452.7 937.6,1452.2 1540.9,1450.5 1567.7,1399.3 1505.5,898.2 925.0,905.0 590.0,907.3 410.4,920.3 202.1,943.8 41.1,948.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,881.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.49397834250992,40.02120145691852]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,881.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.49002239095977,40.02108488662733]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.49011949894962,40.019140983847365]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.49407545049978,40.019257554138555]}},{"type":"Feature","properties":{"resourceCoords":[943.0,1473.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4917213,40.0200182]}},{"type":"Feature","properties":{"resourceCoords":[943.0,1473.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4917213,40.0200182]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Plata, Missouri | 1916 | sanborn04732_004 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:58:26Z","modified":"2026-10-20T02:58:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"132.4,1821.3 59.5,1793.7 108.2,1691.3 64.8,1692.2 38.1,1431.9 35.0,131.4 428.4,130.0 428.4,134.5 1000.9,139.6 1001.6,108.9 1367.2,88.2 1512.8,154.1 1521.7,175.6 1552.9,707.6 1494.6,1071.0 1561.3,1149.4 1612.0,1135.7 1612.0,1707.9 1431.8,1707.0 1002.0,1712.0 421.0,1707.0 420.6,1879.7 120.2,1885.0 132.4,1821.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1002.0,662.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4915726,40.0264625]}},{"type":"Feature","properties":{"resourceCoords":[1002.0,1712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4916211,40.0245073]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Plata, Missouri | 1916 | sanborn04732_004 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:58:26Z","modified":"2026-10-20T02:58:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"949.1,1848.7 612.5,1845.0 431.6,1855.0 222.0,1875.0 60.1,1877.2 39.0,1856.9 89.5,1516.7 30.2,406.8 70.2,195.0 369.3,189.1 369.3,17.2 948.0,21.0 1376.1,15.2 1576.5,15.8 1598.7,603.4 1611.3,603.6 1612.0,849.8 1612.0,1234.6 1587.5,1219.8 1560.0,1242.5 1532.6,1852.0 949.1,1848.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[948.0,1242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4916836,40.0222245]}},{"type":"Feature","properties":{"resourceCoords":[948.0,21.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4916211,40.0245073]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_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":"La Plata, Missouri | 1916 | sanborn04732_004 p4 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-20T02:58:26Z","modified":"2026-10-20T02:58:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"36.9,1233.1 49.5,1233.2 55.7,1861.7 70.7,1872.7 1312.2,1844.8 1359.3,1477.2 1393.4,1411.7 1515.3,1408.2 1512.7,1314.9 1589.6,1240.9 1520.5,65.2 1256.1,65.5 1256.2,112.5 1185.4,77.0 1076.1,22.2 1082.2,56.0 133.8,39.7 1.0,76.9 1.0,648.6 10.5,648.5 36.9,1233.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[625.0,650.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.48857925016058,40.02445707518131]}},{"type":"Feature","properties":{"resourceCoords":[625.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.48866127310929,40.02223293441259]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"La Plata, Missouri | 1916 | sanborn04732_004 p4 [2]","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":"5474.0"},{"label":"split_canvas_y","value":"5944.0"},{"label":"split_canvas_w","value":"978.0"},{"label":"split_canvas_h","value":"1708.0"}],"created":"2026-10-20T02:58:26Z","modified":"2026-10-20T02:58:26Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1784.9 1606.1,1494.5 1505.9,1503.3 1499.6,1553.5 1391.5,1512.3 1433.5,1764.1 1612.0,1856.1 1612.0,1784.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164lm:g4164lm_g047321916:04732_1916-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1368.5,1486.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.48757766533194,40.02613854956184]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1486.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.4869764310978,40.02613097683352]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.48699361555902,40.02532618467009]}},{"type":"Feature","properties":{"resourceCoords":[1368.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.48759484979315,40.025333757398414]}},{"type":"Feature","properties":{"resourceCoords":[1544.2,1820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.4871592,40.0255036]}}]}}]}