{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06015_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Johnstown, New-York | 1897 | 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":"29"},{"label":"placed","value":"14"},{"label":"unplaced","value":"15"},{"label":"fit sources","value":"georef-snap 9, georef 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 21 panels"},{"label":"unplaced pages","value":"p11__1 (tier 1, 43.01840,-74.36935 +/-172m); p12__1 (tier 1, 42.99788,-74.37909 +/-100m); p12__2 (tier 1, 42.99840,-74.37854 +/-100m); p12__3 (tier 1, 42.99951,-74.37910 +/-100m); p13__1 (tier 1, 43.01502,-74.37402 +/-105m); p13__2 (tier 1, 43.01743,-74.36707 +/-176m); p13__3 (tier 1, 43.01742,-74.36735 +/-120m); p13__4 (tier 1, 43.01544,-74.37076 +/-104m); p13__5 (tier 1, 43.02092,-74.36577 +/-104m); p14__1 (tier 1, 43.00426,-74.36390 +/-114m); p14__3 (tier 1, 43.02081,-74.37090 +/-125m); p14__5 (tier 1, 43.00688,-74.36219 +/-100m); p14__6 (tier 1, 43.01291,-74.36785 +/-103m); p14__7 (tier 1, 43.01279,-74.36901 +/-100m); p8__2 (tier 1, 43.00849,-74.37136 +/-110m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"130.1,110.6 365.5,26.6 683.2,17.3 991.9,157.5 988.7,174.3 1377.4,73.7 1508.5,104.9 1569.6,278.0 1511.2,909.6 1581.5,1628.3 1561.8,1749.2 716.7,1764.5 716.0,1776.5 159.9,1806.6 146.6,1490.7 133.2,1274.1 127.0,1067.5 97.0,484.9 69.4,486.5 130.1,110.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[81.0,1241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.37308272935519,43.01214643916021]}},{"type":"Feature","properties":{"resourceCoords":[931.0,426.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.37077853640788,43.01366903132014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p11 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.76"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3274.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3178.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1607.9 1560.6,1601.4 1456.9,556.5 1479.7,182.9 1289.2,97.8 947.3,186.0 925.7,269.0 857.8,911.0 946.1,1661.0 859.3,1679.5 1219.8,1770.4 1219.7,1789.2 1612.0,1607.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1227.2,1159.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.3702748,43.0152318]}},{"type":"Feature","properties":{"resourceCoords":[1227.2,250.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.3698218,43.0167949]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0012__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p12 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.71"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5296.0"},{"label":"split_canvas_w","value":"3192.0"},{"label":"split_canvas_h","value":"2356.0"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0012__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"775.6,1462.8 456.9,1358.9 417.0,1403.7 401.3,1353.0 359.3,1418.6 40.5,1447.8 48.2,1904.1 761.2,1889.2 761.3,1872.0 711.9,1666.2 775.6,1462.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0012__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1324.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.37880193338783,42.99933417013052]}},{"type":"Feature","properties":{"resourceCoords":[798.0,1324.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.37857915168887,42.99779989395436]}},{"type":"Feature","properties":{"resourceCoords":[798.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.38012962840136,42.99767979406363]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.38035241010033,42.99921407023979]}},{"type":"Feature","properties":{"resourceCoords":[518.0,1487.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.3790864,42.998305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p14 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.16"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3244.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3208.0"},{"label":"split_canvas_h","value":"1902.8"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"811.0,85.9 811.0,248.0 811.0,368.8 929.7,419.0 1253.0,389.6 1551.3,433.9 1502.2,335.2 1582.5,129.0 1391.5,30.3 824.1,67.8 811.0,85.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[811.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.36715630670393,43.00680957810913]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.36506945777303,43.00703785972972]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,475.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.36488548573581,43.00612569072803]}},{"type":"Feature","properties":{"resourceCoords":[811.0,475.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.36697233466671,43.00589740910743]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0014__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p14 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.68"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2780.4"},{"label":"split_canvas_w","value":"3244.0"},{"label":"split_canvas_h","value":"2043.6"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0014__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.5,1163.0 673.8,1198.0 735.3,1150.1 706.3,935.3 756.9,903.8 706.1,757.5 583.0,746.6 420.4,822.0 167.4,730.6 19.9,810.0 69.5,1163.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0014__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,695.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.36874412132639,43.0220333559517]}},{"type":"Feature","properties":{"resourceCoords":[811.0,695.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.36663941132916,43.021724243798815]}},{"type":"Feature","properties":{"resourceCoords":[811.0,1206.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.36690607596731,43.02075564704976]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1206.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.36901078596453,43.021064759202645]}},{"type":"Feature","properties":{"resourceCoords":[138.0,1126.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.3686109,43.0211638]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0014__8/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p14 [8]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.10"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4822.0"},{"label":"split_canvas_y","value":"5194.0"},{"label":"split_canvas_w","value":"1630.0"},{"label":"split_canvas_h","value":"2458.0"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0014__8/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1233.8,1892.9 1577.4,1887.5 1585.4,1374.1 1436.9,1322.8 1250.0,1367.1 1296.2,1486.2 1274.2,1535.0 1236.0,1539.1 1233.8,1892.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0014__8/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1205.5,1298.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.36516997124826,43.00435992427269]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1298.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.36405215384168,43.00445904060747]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.3638492882123,43.00321813846414]}},{"type":"Feature","properties":{"resourceCoords":[1205.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-74.36496710561887,43.00311902212936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1520.7,909.1 1586.8,1030.8 1566.6,1831.3 328.8,1859.4 329.3,1912.0 308.8,1912.0 297.2,1254.0 257.0,1254.4 127.2,1255.7 113.3,684.3 109.3,684.4 106.5,124.5 251.9,122.0 853.6,123.3 1131.7,126.3 1598.1,117.7 1520.7,909.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[303.0,111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.37108230768725,43.00436911233332]}},{"type":"Feature","properties":{"resourceCoords":[303.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.37555502214731,43.00425760106912]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"110.0,1786.6 111.1,861.7 125.8,861.6 61.2,319.7 97.5,27.6 1495.8,29.5 1556.7,65.8 1571.4,259.2 1589.3,1685.8 1580.8,1775.2 1123.6,1785.0 851.0,1783.0 261.2,1783.6 110.0,1786.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[287.0,861.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.3686431,43.0044717]}},{"type":"Feature","properties":{"resourceCoords":[851.0,1783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.3710654,43.0033114]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"149.4,1881.6 61.4,1800.2 122.2,104.8 393.8,18.2 391.4,5.7 999.6,68.3 999.6,71.5 1571.6,26.8 1577.5,398.8 1573.8,814.1 1573.7,1816.7 1573.7,1857.1 914.2,1862.0 914.0,1882.5 149.4,1881.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1020.0,199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.3757245548458,43.00743296226829]}},{"type":"Feature","properties":{"resourceCoords":[123.0,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.37788087538466,43.004178877063964]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"183.9,926.7 185.5,514.7 177.7,135.4 139.7,76.9 755.5,61.1 1305.7,56.4 1306.3,98.3 1315.1,641.9 1316.8,934.6 1308.5,1429.8 1312.4,1777.2 756.0,1777.1 756.0,1781.1 188.1,1791.9 183.9,926.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[751.0,901.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.37270864888463,43.00639478600362]}},{"type":"Feature","properties":{"resourceCoords":[749.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.37279968761355,43.00798963083275]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.4,80.5 863.8,58.4 862.6,67.5 1299.4,174.1 1467.4,134.7 1511.2,220.1 1566.7,216.1 1504.7,724.4 1558.9,872.5 1612.0,863.9 1612.0,865.4 1601.8,882.8 1612.0,993.0 1612.0,1157.1 1592.3,1150.8 1518.5,1748.3 1521.6,1748.8 976.9,1801.0 977.2,1786.2 50.2,1763.8 51.3,1428.8 66.7,939.3 69.3,649.8 68.4,112.2 68.4,80.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[83.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.37129353150729,43.008080483138684]}},{"type":"Feature","properties":{"resourceCoords":[83.0,896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.37117379941238,43.006458971634075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1491.6,639.8 1563.9,1208.2 1560.8,1208.2 1527.7,1818.0 1266.2,1879.5 935.7,1838.8 387.6,1883.3 169.2,1785.9 98.3,1652.7 14.6,1650.7 291.1,1574.1 350.1,1610.1 353.0,1447.4 343.3,1186.1 336.4,867.0 325.1,116.5 678.0,104.0 1091.6,83.4 1380.8,62.5 1423.8,681.3 1481.0,640.5 1491.6,639.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[345.0,836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.37480194242606,43.01001121965238]}},{"type":"Feature","properties":{"resourceCoords":[345.0,95.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.37285733149547,43.01000494934192]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p8 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"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":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"143.3,1766.3 699.0,1765.0 699.1,1775.1 1511.2,1745.6 1557.0,1347.7 1383.8,1121.0 1389.2,1001.3 1087.7,959.3 1069.4,927.0 1063.8,927.0 1045.1,927.0 1020.1,839.5 957.1,727.5 949.1,593.0 1205.9,378.9 1310.7,343.7 1372.3,300.8 1400.2,281.4 1484.8,222.5 727.0,179.2 725.4,191.2 164.1,179.4 142.0,706.0 136.9,1060.2 136.8,1475.5 143.3,1766.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[142.0,706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.3729137,43.0100434]}},{"type":"Feature","properties":{"resourceCoords":[699.0,1765.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.3713317,43.0080679]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Johnstown, New-York | 1897 | sanborn06015_003 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:38:45Z","modified":"2026-10-19T02:38:45Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.3,1465.7 119.0,1738.3 82.0,1795.0 241.0,1802.6 496.9,1800.8 809.0,1803.5 1543.1,1814.5 1554.4,1300.7 1558.5,989.9 1557.2,776.6 1562.3,573.4 1564.5,1.0 1537.1,1.0 1508.1,133.7 1212.2,139.8 974.4,23.7 856.1,75.7 444.6,30.7 456.4,106.6 340.3,76.1 291.1,116.1 251.4,321.5 113.4,338.6 52.3,1465.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804jm:g3804jm_g060151897:06015_1897-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1535.0,738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.3730097332923,43.01215414111914]}},{"type":"Feature","properties":{"resourceCoords":[1535.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.37293653259164,43.010075386858745]}}]}}]}