{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05850_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cohoes, New-York | 1910 | 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":"45"},{"label":"placed","value":"35"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 24, georef-snap 10, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 17 panels"},{"label":"unplaced pages","value":"p11__1 (tier 1, 42.77446,-73.69209 +/-181m); p17 (tier 1, 42.77141,-73.69742 +/-254m); p29 (tier 1, 42.76344,-73.70041 +/-252m); p32__2 (tier 1, 42.77569,-73.68524 +/-100m); p34__2 (tier 1, 42.76994,-73.68862 +/-100m); p5__1 (tier 1, 42.78614,-73.71275 +/-233m); p6__2 (tier 1, 42.77826,-73.70998 +/-100m); p7__1 (tier 1, 42.77659,-73.70735 +/-156m); p7__3 (tier 1, 42.77634,-73.70713 +/-103m); p9 (tier 2, 42.77690,-73.70171 +/-147m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.17"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1514.0,1912.0 1440.5,1912.0 1431.5,1570.4 1405.5,1560.9 1161.4,1593.8 705.7,1682.3 717.8,1712.1 221.7,1868.1 219.6,1861.0 148.6,1626.0 178.3,1628.6 123.0,1306.8 208.8,999.2 135.7,618.8 188.1,116.7 244.1,83.9 413.1,170.5 1524.0,133.6 1523.8,357.1 1436.6,387.5 1411.5,599.9 1558.1,1453.0 1552.7,1450.2 1502.5,1424.5 1514.0,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1201.0,1606.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6990394530666,42.77564258558508]}},{"type":"Feature","properties":{"resourceCoords":[692.0,1672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.70028052288495,42.77568022246006]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p11 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"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":"3798.0"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.4,353.8 392.1,324.4 576.6,656.4 780.8,734.0 879.4,862.1 1275.2,863.1 1323.2,945.9 1508.7,936.9 1566.0,744.2 1520.6,216.5 1328.3,115.2 1304.6,162.8 1184.3,156.0 1096.8,56.1 864.4,48.9 848.9,102.7 523.9,129.7 525.0,196.2 453.5,279.5 218.5,309.7 168.3,300.0 65.4,353.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0011__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":[-73.69463197247539,42.77501479384326]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.69066177868433,42.77463756891856]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,949.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.69096233115873,42.77290906545399]}},{"type":"Feature","properties":{"resourceCoords":[0.0,949.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.69493252494979,42.77328629037869]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p12","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"253.5,229.4 756.8,221.4 753.8,190.4 1201.0,233.9 1436.5,270.7 1458.0,286.6 1266.5,1000.6 1097.1,1604.1 911.5,1555.2 685.7,1492.1 657.6,1825.7 282.4,1791.8 271.7,1322.7 271.4,1183.6 255.2,627.1 253.6,248.6 253.5,229.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[272.0,1218.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7011442,42.7736809]}},{"type":"Feature","properties":{"resourceCoords":[766.0,628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7000923,42.7748633]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p13","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1145.3,1849.9 1118.3,1876.8 736.8,1891.2 539.6,1895.5 206.0,1898.6 230.3,1593.8 211.4,1539.4 191.8,1539.2 88.9,1352.6 97.7,493.6 272.0,93.0 647.2,18.1 1355.7,11.3 1462.8,55.9 1459.6,294.4 1459.2,320.8 1454.0,700.7 1460.0,1259.5 1457.8,1399.1 1460.0,1870.0 1145.3,1849.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1460.0,1294.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7011442,42.7736809]}},{"type":"Feature","properties":{"resourceCoords":[1460.0,1870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7009486,42.7726376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p14","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.26"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"81.0,128.0 718.4,131.9 1132.7,129.8 1132.1,202.1 1612.0,201.0 1612.0,202.5 1585.8,249.8 1582.8,255.1 1457.1,274.0 1426.4,422.2 1587.5,1244.5 1523.6,1775.5 1075.7,1812.5 1060.1,1901.4 1003.3,1798.7 996.9,1741.2 282.9,1818.0 141.0,1778.8 87.4,1522.3 141.8,1431.0 126.2,1176.4 53.4,892.6 65.3,418.4 78.4,413.9 81.0,128.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1470.0,128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6984752,42.7756356]}},{"type":"Feature","properties":{"resourceCoords":[81.0,128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6989817,42.7731564]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p15","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1302.2,1760.7 1016.0,1704.0 636.0,1619.0 291.2,1567.5 171.8,1535.2 207.9,1337.8 275.6,1341.8 437.0,249.0 530.9,256.1 856.2,274.0 1048.7,282.1 1421.4,292.0 1416.2,480.9 1397.5,1015.4 1400.4,1344.4 1393.0,1762.2 1302.2,1760.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1016.0,1704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.702084,42.769798]}},{"type":"Feature","properties":{"resourceCoords":[636.0,1619.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.703077,42.769812]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p16","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,227.3 1346.5,131.8 1164.0,70.0 969.8,1.0 940.8,1.0 891.0,323.4 517.6,263.4 204.3,227.5 176.0,252.9 173.3,446.5 161.5,994.1 169.0,1331.0 167.2,1759.0 208.4,1757.8 485.6,1706.7 546.1,1713.7 816.4,1667.5 865.5,1669.1 1006.2,1517.8 955.3,1505.8 1040.6,1056.3 1157.5,875.7 1351.0,251.5 1531.4,210.6 1612.0,241.1 1612.0,227.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1164.0,70.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6994568,42.7732053]}},{"type":"Feature","properties":{"resourceCoords":[169.0,1331.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7013062,42.7706014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"326.4,68.3 127.8,114.0 119.7,294.7 56.7,352.2 91.5,486.9 44.3,548.6 121.2,891.1 120.9,1368.6 63.7,1417.5 44.7,1839.1 159.5,1890.4 771.3,1852.9 771.9,1807.2 881.1,1796.3 1063.4,1786.5 1536.2,1811.8 1542.2,1158.7 1537.5,482.2 1557.6,482.1 1589.0,158.4 1556.0,167.8 1319.1,29.3 1148.5,34.0 1140.0,1.0 906.0,1.0 346.7,120.4 326.4,68.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[788.0,1812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7152822058325,42.77250385306544]}},{"type":"Feature","properties":{"resourceCoords":[788.0,473.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7146138849419,42.77492526386543]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p19","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"168.0,1118.0 155.8,444.1 175.9,443.9 203.7,121.0 542.2,21.4 1037.2,71.8 1067.5,61.8 1239.0,198.8 1365.2,176.0 1461.5,750.0 1242.2,786.8 1356.8,1472.0 1437.3,1912.0 1434.6,1912.0 1429.7,1912.0 1262.8,1862.4 1127.5,1826.4 1053.4,1813.8 857.0,1800.4 599.0,1790.5 169.1,1768.8 168.0,1118.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[168.0,1118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.713098,42.773409]}},{"type":"Feature","properties":{"resourceCoords":[1597.0,727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.709366,42.773563]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p20","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1311.7,1144.9 1572.8,1166.3 1535.3,554.7 1441.1,558.4 1370.7,430.3 1382.9,182.9 1322.4,119.8 1317.8,1.0 1316.2,1.0 1187.6,84.5 1157.5,42.8 796.0,67.6 782.0,46.4 636.6,44.8 481.0,152.5 124.2,130.0 54.5,205.4 61.3,379.4 27.8,384.5 172.7,548.4 300.4,547.5 297.1,1127.4 75.4,1126.1 71.0,1818.4 433.9,1817.2 853.5,1823.6 1312.2,1818.7 1311.7,1144.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[219.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.709853,42.7746556]}},{"type":"Feature","properties":{"resourceCoords":[434.0,1128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.709366,42.773563]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"168.4,1670.8 221.2,1689.2 521.0,1793.0 799.5,1829.5 1096.5,1853.5 1169.5,1855.2 1444.8,1848.8 1416.2,1646.3 1483.0,1628.4 1287.0,519.5 1380.1,496.1 1326.2,196.6 1294.3,149.0 1275.4,153.8 1129.7,1.0 1129.2,1.0 1133.5,18.1 337.2,40.8 331.5,1.0 66.4,1.0 119.6,643.1 122.6,679.5 188.2,675.1 168.4,1670.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[136.0,653.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.70717079409852,42.772262334078185]}},{"type":"Feature","properties":{"resourceCoords":[1417.0,1818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.70433978429749,42.769854727156726]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p22","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1478.0,754.0 1497.2,287.3 1485.3,107.6 1473.4,1.0 1428.2,1.0 1429.8,21.5 707.4,59.1 67.8,241.3 31.7,1614.1 120.6,1786.8 391.6,1743.1 521.6,1833.2 522.8,1845.7 1182.9,1844.1 1386.8,1837.1 1422.2,1703.1 1434.6,1629.7 1447.6,1435.2 1457.1,1179.7 1478.0,754.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[503.0,754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7139624,42.7704474]}},{"type":"Feature","properties":{"resourceCoords":[1478.0,754.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.713439,42.77223]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p23","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"174.3,1582.7 516.2,1618.0 498.6,1730.8 496.1,1736.5 1498.9,1830.9 1499.3,1764.4 1490.7,1295.0 1493.7,865.6 1489.6,494.4 1033.5,502.0 1112.5,334.6 904.2,307.1 233.5,196.8 216.5,437.4 143.0,455.7 152.5,975.8 52.5,1382.0 1.0,1380.1 1.0,1461.2 174.3,1582.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[692.0,1294.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7084679,42.7707922]}},{"type":"Feature","properties":{"resourceCoords":[1031.0,502.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7103861,42.7714744]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p24","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"419.6,162.4 683.1,245.2 805.0,279.0 1157.2,333.7 1545.1,422.9 1522.0,1015.0 1502.6,1616.8 1303.0,1614.9 912.2,1604.5 911.8,1626.0 300.5,1744.2 35.2,1579.5 72.0,1007.3 134.4,1024.4 405.8,157.4 419.6,162.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[805.0,279.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7039649,42.7697776]}},{"type":"Feature","properties":{"resourceCoords":[1522.0,1015.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.701837,42.768728]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1561.9,293.2 1560.5,404.2 1541.9,457.3 1422.2,794.1 1390.7,734.4 1122.7,1615.3 445.5,1620.0 445.6,1611.8 252.8,1609.7 205.6,1602.8 36.7,1598.2 45.6,998.9 58.3,409.2 350.1,463.5 442.6,464.1 483.6,462.9 759.1,412.7 819.2,419.8 1087.8,374.4 1136.7,376.1 1276.8,225.9 1561.9,293.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[57.0,984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7018158852432,42.76875881778314]}},{"type":"Feature","properties":{"resourceCoords":[787.0,419.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.70028549020553,42.77003269446003]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p26","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.27"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"273.4,1657.2 341.5,1687.8 346.1,1628.9 785.9,1829.4 797.5,1857.6 1231.7,1854.4 1290.6,1912.0 1369.2,1912.0 1475.5,964.1 1494.9,966.0 1583.1,475.0 1580.0,156.1 1515.1,34.1 1141.6,52.9 1092.7,112.8 817.4,144.6 598.2,115.1 496.2,36.3 94.0,60.0 73.0,1.0 72.2,1.0 62.5,24.6 67.9,379.6 17.9,334.9 114.8,1912.0 127.0,1912.0 128.8,1912.0 129.2,1813.9 109.0,1297.3 273.4,1657.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[699.0,1537.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.697461,42.767266]}},{"type":"Feature","properties":{"resourceCoords":[65.0,132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.698448,42.770028]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p27","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"330.0,206.7 929.8,83.2 930.0,62.0 1314.5,67.7 1510.9,67.2 1520.0,733.5 1519.0,1162.5 1490.0,1710.7 1477.8,1841.8 1023.5,1780.5 1019.5,1838.7 664.3,1879.4 76.0,1866.7 42.7,1623.8 96.0,1353.7 33.2,698.9 67.1,47.9 330.0,206.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[930.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.703024,42.767442]}},{"type":"Feature","properties":{"resourceCoords":[672.0,62.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.703666,42.767349]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p28","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"226.4,47.1 273.7,54.0 467.0,56.8 467.0,65.0 1146.0,62.2 948.5,704.4 961.7,709.4 997.0,616.9 1161.5,121.5 1189.0,520.0 1242.4,573.1 1267.8,519.1 1612.0,864.9 1612.0,895.3 1591.1,887.6 1519.4,1255.6 1525.1,1803.5 1086.5,1748.0 926.5,1761.8 741.0,1868.0 417.8,1835.0 289.7,1877.5 27.9,1842.8 40.0,1709.7 68.0,1153.2 68.0,718.0 57.0,41.9 226.4,47.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[68.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.701226,42.766428]}},{"type":"Feature","properties":{"resourceCoords":[466.0,1977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.699648,42.7643]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2739.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4912.4"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1457.2,996.9 1398.2,992.1 1099.8,950.2 820.7,897.0 524.1,774.5 466.2,750.4 353.1,734.5 323.1,1076.7 203.5,1252.8 150.9,1253.6 123.1,1254.0 116.7,1559.0 221.4,1567.3 213.0,1791.0 307.5,1874.4 1359.0,1905.8 1360.3,1912.0 1425.6,1912.0 1457.2,996.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1097.0,1273.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7059336,42.7693844]}},{"type":"Feature","properties":{"resourceCoords":[1097.0,1660.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.705993,42.768683]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p2 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.46"},{"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":"3646.4"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"643.4,775.0 1598.5,909.1 1471.4,786.4 1546.3,727.3 1559.0,511.3 1472.2,93.5 792.6,45.9 68.8,194.9 201.7,606.0 261.6,644.3 555.1,724.7 643.4,775.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[742.0,276.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7075352,42.7842261]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,276.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.706229,42.7831962]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,436.8 1605.0,541.1 1612.0,562.9 1612.0,1495.9 1286.0,1828.8 971.6,1639.5 484.1,1358.2 354.8,1283.1 263.4,1269.9 96.2,994.4 53.5,372.3 278.5,98.1 421.1,40.5 779.8,41.7 1169.8,169.6 1297.6,84.0 1379.3,148.2 1425.4,99.9 1553.7,139.4 1554.9,129.2 1612.0,436.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[775.0,1522.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.70987203588187,42.781592513016875]}},{"type":"Feature","properties":{"resourceCoords":[1251.0,1375.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.70885793142715,42.78209979010374]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p30","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.24"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"38.3,1379.7 54.0,1057.4 112.2,960.9 116.1,103.8 353.9,24.8 1439.8,35.9 1493.5,96.8 1567.0,934.8 1529.2,1015.7 1575.9,1077.1 1509.5,1388.2 1535.6,1808.0 984.0,1892.2 362.1,1880.8 121.2,1795.8 38.3,1379.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[164.0,820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.699876,42.759689]}},{"type":"Feature","properties":{"resourceCoords":[1444.0,322.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.700953,42.762166]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p31","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0031","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"27.4,1607.3 139.7,982.6 54.5,472.5 101.7,421.6 52.7,381.6 81.3,206.2 891.3,47.3 1129.2,81.7 1146.5,145.6 1323.3,67.1 1445.7,125.3 1547.0,100.3 1583.4,1754.2 1570.0,1754.3 1195.5,1757.8 963.1,1763.0 777.5,1771.1 166.2,1781.9 39.0,1788.5 27.4,1607.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[172.0,1376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.689649,42.774025]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6858041,42.7747419]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0032__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p32 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.90"},{"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":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0032__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1571.7,1785.3 1577.0,602.0 1175.0,585.4 1127.3,490.9 944.4,493.1 944.0,489.5 941.0,489.5 941.0,459.9 915.8,210.1 663.6,123.5 142.3,176.5 71.7,105.8 95.2,1769.7 455.4,1769.5 965.3,1769.1 1370.3,1774.8 1571.7,1785.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0032__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[81.0,995.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.686036,42.77405]}},{"type":"Feature","properties":{"resourceCoords":[81.0,1381.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.68628,42.773369]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p33","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"432.9,1771.2 967.0,1783.9 1587.8,1778.1 1587.0,1368.6 1578.7,150.3 1203.4,147.3 970.5,148.6 784.4,153.5 171.7,153.7 44.1,158.2 51.0,306.8 128.1,431.6 44.1,1661.1 1.0,1669.4 1.0,1721.8 432.5,1829.0 432.9,1771.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[967.0,1365.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6887467,42.7708013]}},{"type":"Feature","properties":{"resourceCoords":[967.0,542.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6882431,42.7722624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0034__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p34 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0034__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.6,1881.0 287.9,1801.4 267.2,1473.5 330.3,1225.4 344.2,1225.3 862.8,1219.9 945.3,1827.7 1276.7,1821.2 1356.8,1869.5 1554.7,1782.5 1586.6,91.3 1386.8,78.0 984.5,66.6 478.1,59.9 106.8,54.7 109.2,1269.6 108.0,1678.0 106.6,1881.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0034__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[108.0,447.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6867572,42.7719832]}},{"type":"Feature","properties":{"resourceCoords":[108.0,1678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.687498,42.769789]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"196.7,200.9 198.0,1269.5 195.1,1269.5 136.6,1709.0 84.7,1710.5 184.8,1875.7 1254.4,1863.1 1261.8,1879.6 1463.9,1878.8 1454.7,1262.5 1464.2,732.1 1406.9,732.1 1511.2,302.1 1562.7,301.8 1521.3,94.0 1423.6,66.4 808.4,112.5 250.7,30.2 237.8,1.0 237.0,1.0 196.6,109.1 196.7,200.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[607.0,1275.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.68950669756727,42.768538261422975]}},{"type":"Feature","properties":{"resourceCoords":[607.0,736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.69081771054661,42.76878757955111]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p36","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0036","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"460.2,41.0 716.1,36.2 1000.9,114.9 1267.1,79.0 1394.0,127.2 1486.0,127.4 1488.7,538.9 1486.3,736.0 1492.2,1170.9 1467.4,1170.8 1481.1,1882.5 1138.2,1781.2 769.0,1875.3 521.1,1704.0 348.8,1710.2 298.1,1511.3 286.3,1501.6 364.0,1494.2 392.2,534.8 411.9,535.1 459.8,35.5 460.2,41.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[953.0,1358.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6944353,42.7663493]}},{"type":"Feature","properties":{"resourceCoords":[953.0,126.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6936722,42.7685473]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p37","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0037","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.5,1156.6 99.4,1156.8 96.3,721.3 100.0,524.0 100.0,112.0 1171.8,121.8 1171.8,124.7 1612.0,188.0 1612.0,240.7 1582.0,258.4 1559.5,1843.7 1079.1,1796.5 863.6,1872.7 669.8,1822.5 568.2,1870.3 83.7,1869.2 74.5,1156.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[100.0,524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.692626,42.7675671]}},{"type":"Feature","properties":{"resourceCoords":[100.0,112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6923776,42.7683024]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"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":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1462.6,1912.0 1517.5,1912.0 1598.0,1350.1 1612.0,1312.1 1612.0,1132.0 1574.1,1128.2 1515.5,988.0 1346.1,985.8 1107.6,987.7 1101.3,982.5 1047.1,814.0 1035.2,134.8 843.1,105.3 773.6,36.3 303.5,14.9 98.3,70.7 62.1,400.1 130.5,476.2 128.8,818.2 25.9,1297.5 104.1,1593.6 82.2,1736.0 85.0,1736.2 353.7,1833.3 350.6,1841.0 990.6,1890.3 1471.7,1840.6 1462.6,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1110.0,1468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.714563,42.776606]}},{"type":"Feature","properties":{"resourceCoords":[493.0,286.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.71182,42.778086]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p4 [2]","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":"4430.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2021.6"},{"label":"split_canvas_h","value":"3950.8"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1559.3,697.8 1559.0,694.8 1551.7,694.9 1497.3,526.0 1505.8,141.8 1363.8,25.9 1143.2,73.8 1142.3,923.1 1497.0,961.7 1507.9,984.1 1559.3,697.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1500.1,954.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.71579583271722,42.77796036142832]}},{"type":"Feature","properties":{"resourceCoords":[1314.3,927.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7162574844241,42.77801519686331]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p5 [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":"2600.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3852.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"791.5,28.0 733.0,306.8 825.7,749.6 1020.1,920.5 1011.3,1258.8 743.7,1600.7 739.7,1814.2 812.0,1869.9 800.3,1912.0 863.6,1912.0 982.2,1864.6 1116.6,1847.0 1320.4,1828.8 1508.5,1824.4 1524.5,1824.0 1505.2,1699.5 1467.5,1456.0 1444.9,1237.3 1448.5,1180.9 1490.0,1123.0 1469.5,344.1 1504.6,259.2 994.2,54.7 861.2,1.0 769.4,1.0 791.5,28.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1309.3,163.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.70984817703636,42.78161360637782]}},{"type":"Feature","properties":{"resourceCoords":[1000.6,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.71066661026308,42.78175504589299]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"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":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"132.6,1827.0 507.3,1824.9 1194.2,1822.9 1260.4,1808.9 1354.5,1771.2 1448.4,1711.8 1474.5,1676.7 1481.8,1661.3 1503.1,1616.1 1591.6,1364.1 1612.0,1332.4 1612.0,1222.3 1580.3,1204.7 1572.5,488.7 1105.5,475.7 1105.1,472.7 1104.5,472.7 1104.5,468.3 1045.2,49.4 960.3,21.3 963.5,1.0 690.3,1.0 407.0,389.2 73.3,249.1 38.0,334.8 60.1,1120.2 18.3,1178.8 14.8,1235.7 38.0,1456.2 96.2,1827.2 97.6,1841.9 132.6,1827.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[505.0,1818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.70765626736166,42.778772845450916]}},{"type":"Feature","properties":{"resourceCoords":[833.0,1090.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.70712586286798,42.78018432035939]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p7 [2]","metadata":[{"label":"streets","value":"7"},{"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":"2663.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3788.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1231.9,1912.0 1286.5,1911.8 1266.4,1898.8 1551.3,1793.9 1591.5,1673.3 1522.5,1483.4 1507.9,1425.7 1500.1,836.0 1498.2,480.4 1515.0,340.9 1566.7,163.6 1375.5,92.2 1179.6,33.5 1052.3,1.0 843.2,1.0 737.0,140.0 714.5,406.4 832.1,722.1 810.8,972.2 874.7,1307.0 879.4,1513.2 810.5,1657.8 810.5,1684.2 1128.3,1860.4 1130.9,1912.0 1231.9,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1101.5,836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.708806,42.777131]}},{"type":"Feature","properties":{"resourceCoords":[1500.1,836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.707941,42.777508]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cohoes, New-York | 1910 | sanborn05850_005 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:41:35Z","modified":"2026-10-19T02:41:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1509.5,1750.7 1467.2,1735.7 1543.4,1627.2 1509.2,1320.1 1434.3,1273.5 1361.2,1028.8 1430.2,820.5 1509.0,860.9 1541.6,794.5 1496.4,463.3 786.4,212.2 723.1,146.9 753.4,70.4 606.0,56.7 334.1,173.4 111.7,43.7 23.7,112.2 124.0,156.0 145.3,187.2 342.5,367.3 387.0,417.2 409.1,455.0 426.9,564.6 424.9,666.0 411.8,732.4 144.8,1365.2 1.0,1708.3 1.0,1749.0 163.7,1800.2 304.1,1820.1 662.9,1825.6 1258.0,1830.0 1316.5,1816.4 1509.5,1750.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[658.0,1428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7071039384624,42.7779007860859]}},{"type":"Feature","properties":{"resourceCoords":[390.0,746.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.70601058432102,42.7789788325985]}}]}}]}