{"id":"https://data.mapsnap.org/runs/v1.3/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 (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"44"},{"label":"placed","value":"37"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 30, georef-snap 6, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 42.77268,-73.70213 +/-1464m); p17 (tier 1, 42.77141,-73.69739 +/-255m); p32__2 (tier 1, 42.77567,-73.68522 +/-100m); p5__1 (tier 2, 42.78069,-73.70960 +/-100m); p6__2 (tier 1, 42.77840,-73.70912 +/-100m); p7__1 (tier 1, 42.77578,-73.70805 +/-161m); p9 (tier 2, 42.77742,-73.70117 +/-100m)"}],"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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"604.1,1505.1 147.7,1641.2 122.0,1556.9 -0.0,1598.0 -0.0,0.0 1613.0,0.0 1613.0,1416.8 1299.8,1424.4 1303.2,1575.4 703.7,1680.7 604.1,1505.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.7012262966638,42.77881561169347]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.69740499646265,42.77832407913436]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.69819364043278,42.77497408793485]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70201494063393,42.77546562049396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0011/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","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0011/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=\"-0.0,1913.0 -0.0,1304.4 1613.0,1298.4 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[518.0,659.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6976246,42.7741671]}},{"type":"Feature","properties":{"resourceCoords":[106.0,659.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6987397,42.774293]}}]}},{"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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"252.3,0.0 710.3,0.0 753.6,190.5 1457.8,286.6 1097.0,1603.9 685.7,1492.0 657.6,1825.5 282.5,1791.7 252.3,0.0\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1463.6,0.0 1460.0,1870.0 1145.4,1849.9 206.6,1898.5 212.0,1539.5 -0.0,1531.5 -0.0,-0.0 1463.6,0.0\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1464.3,0.0 1613.0,0.0 1613.0,1913.0 0.0,1913.0 0.0,11.2 79.9,11.5 81.0,128.0 1470.0,128.0 1464.3,0.0\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1393.0,1762.8 171.8,1535.2 400.1,246.2 1450.0,268.0 1422.0,292.5 1393.0,1762.8\" /></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":"19"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1320.3,1615.2 1342.8,1284.4 974.7,1285.7 844.6,1665.9 167.2,1759.0 176.0,253.0 204.2,227.5 890.9,323.4 940.8,0.0 1237.4,94.9 988.0,800.1 1613.0,1021.2 1613.0,1849.2 1281.7,1726.5 1320.3,1615.2\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1537.4,1805.3 1063.4,1782.0 771.0,1811.2 769.9,1913.0 -0.0,1913.0 -0.0,-0.0 1613.0,0.0 1613.0,36.9 1384.5,35.3 1380.2,476.7 1537.0,480.6 1537.4,1805.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.71630253205237,42.776079104158484]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.71234295757279,42.775477699230066]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.71330784261936,42.77200632745048]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.71726741709894,42.772607732378894]}}]}},{"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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"169.2,1768.8 155.8,444.2 -0.0,441.4 -0.0,-0.0 1028.4,0.0 1068.2,228.9 1284.6,190.4 1386.9,762.5 1242.1,786.7 1437.5,1913.0 169.2,1768.8\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"75.4,1126.1 221.7,1127.1 219.0,548.0 -0.0,548.8 -0.0,-0.0 1293.8,0.0 1193.8,81.1 1613.0,587.6 1613.0,1166.3 1311.7,1141.2 1312.2,1818.7 71.0,1818.4 75.4,1126.1\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"167.0,1367.2 62.5,0.0 1036.7,0.0 1087.3,191.2 1295.8,150.6 1328.0,198.0 1381.9,496.7 1251.1,529.5 1446.5,1845.7 518.8,1791.4 52.8,1631.4 41.8,1772.6 -0.0,1768.5 -0.0,1379.8 167.0,1367.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70730135207403,42.77348917951649]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.7033120338393,42.773129906230935]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.7038884229742,42.76963231519387]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70787774120893,42.76999158847942]}}]}},{"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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"244.7,1913.0 0.0,1913.0 0.0,-0.0 1473.3,0.0 1497.2,287.3 1447.6,1435.2 1386.8,1837.1 488.1,1845.8 244.7,1913.0\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"197.9,191.5 1112.0,334.6 1030.7,502.0 1489.2,494.1 1499.7,1763.8 802.5,1761.2 802.4,1592.5 569.0,1575.4 584.2,1283.7 460.1,1271.8 402.1,1605.4 0.0,1565.6 0.0,201.2 197.9,191.5\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"313.8,1600.5 328.1,1533.5 -0.0,1529.5 -0.0,992.8 308.8,1080.8 561.1,195.3 655.6,233.9 1545.2,423.2 1502.5,1616.5 313.8,1600.5\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1116.0,376.1 1246.1,0.0 1613.0,0.0 1613.0,262.6 1181.7,1552.2 35.4,1554.0 55.0,410.8 347.8,465.3 1116.0,376.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70241208987065,42.770523773082786]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.69845562253876,42.77108486933915]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.69755548048667,42.767615942748996]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70151194781856,42.767054846492634]}}]}},{"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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"400.8,1058.7 332.8,1060.9 262.4,1913.0 129.0,1913.0 62.0,0.0 1613.0,0.0 1613.0,974.6 1613.0,977.4 1613.0,1913.0 331.6,1913.0 400.8,1058.7\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1473.1,1888.5 -0.0,1913.0 -0.0,-0.0 354.6,0.0 341.3,66.2 1510.6,67.7 1518.7,1162.4 1473.1,1888.5\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1203.5,0.0 961.3,710.3 1087.4,757.8 1446.0,0.0 1521.8,0.0 1167.3,787.8 1613.0,955.5 1613.0,1913.0 1194.0,1913.0 1204.1,1878.9 581.3,1693.8 491.9,1913.0 465.6,1913.0 463.7,1658.8 48.8,1535.5 57.9,0.0 1203.5,0.0\" /></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_1910-0029/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 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1008.3,0.0 1261.9,764.0 1613.0,687.1 1613.0,1127.3 1305.9,1221.2 1613.0,1252.1 1613.0,1913.0 300.0,1913.0 294.1,1740.7 0.0,1794.8 0.0,1500.1 85.5,1301.8 85.9,805.0 0.0,808.0 0.0,32.9 220.3,0.0 1008.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0029/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70294230711835,42.7621507002422]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70256296052645,42.76506775949488]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.69788373551975,42.76473512390553]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.69826308211165,42.76181806465285]}}]}},{"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":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2734.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4917.6"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"-0.0,1913.0 267.1,1913.0 1613.0,1913.0 1613.0,988.8 1006.2,921.6 502.1,755.8 17.3,686.1 -0.0,1913.0\" /></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":[1097.0,1273.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7059336,42.7693844]}},{"type":"Feature","properties":{"resourceCoords":[1097.0,951.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7058772,42.7699704]}}]}},{"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":"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":"3661.6"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1613.0,-0.0 -0.0,0.0 0.0,683.6 643.7,776.1 646.7,774.2 653.6,777.5 1596.7,913.0 1613.0,-0.0\" /></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":[742.0,277.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7075352,42.7842261]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,277.1],"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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"-0.0,1913.0 -0.0,-0.0 1209.8,0.0 1383.4,406.1 1613.0,545.4 1613.0,1454.0 869.5,1369.0 847.5,1566.2 395.3,1305.0 127.9,1267.6 39.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.7127874787163,42.783806590282786]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70901479837626,42.784669626359424]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70762996580741,42.781362560104455]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.71140264614745,42.78049952402782]}}]}},{"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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1361.6,322.1 1444.0,322.0 1416.0,850.2 1094.5,1289.4 1613.0,1219.7 1613.0,1913.0 0.0,1913.0 0.0,-0.0 1372.7,0.0 1361.6,322.1\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1613.0,1754.0 -0.0,1792.5 -0.0,-0.0 1613.0,0.0 1613.0,1754.0\" /></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":"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":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1608.4,492.4 940.1,485.4 940.1,2.5 138.8,5.4 125.3,1714.0 1597.2,1692.9 1608.4,492.4\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"432.9,1771.2 432.0,1913.0 -0.0,1913.0 5.0,161.4 1578.7,150.3 1587.8,1778.1 432.9,1771.2\" /></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/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","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0034/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=\"106.3,1913.0 106.8,54.7 149.8,55.4 151.0,0.0 1613.0,0.0 1613.0,1913.0 106.3,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0034/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":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"325.8,200.5 325.2,0.0 1613.0,0.0 1613.0,302.0 1331.8,303.2 1333.7,736.0 1475.7,736.3 1473.7,1893.4 0.0,1913.0 0.0,1277.5 197.2,1276.7 197.4,198.5 325.8,200.5\" /></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":[-73.6895274,42.7685367]}},{"type":"Feature","properties":{"resourceCoords":[607.0,736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6908271,42.7687824]}}]}},{"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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"486.9,0.0 1488.4,0.0 1492.2,1170.9 1392.8,1167.3 1397.6,1913.0 -0.0,1913.0 -0.0,1525.2 608.2,1475.1 486.9,0.0\" /></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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"100.0,112.5 1170.5,122.3 1169.6,321.1 1613.0,322.1 1613.0,1913.0 -0.0,1913.0 -0.0,1151.8 99.4,1156.0 100.0,112.5\" /></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":"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":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1613.0,985.4 1111.8,984.9 1112.6,0.0 -0.0,0.0 -0.0,1768.4 84.6,1736.5 353.4,1833.7 321.1,1913.0 1133.0,1913.0 1364.0,1913.0 1385.5,1913.0 1613.0,1303.0 1613.0,985.4\" /></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":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"4447.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2004.8"},{"label":"split_canvas_h","value":"3941.6"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1408.7,945.6 1500.5,955.9 1520.6,672.7 1467.2,600.5 1613.0,559.1 1613.0,-0.0 1112.6,0.0 1111.8,984.9 1427.0,985.2 1408.7,945.6\" /></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":[1500.2,955.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7157787,42.7779026]}},{"type":"Feature","properties":{"resourceCoords":[1314.5,928.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7162452,42.7779978]}}]}},{"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":"7"},{"label":"intersections","value":"5"},{"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":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1417.7,1797.7 1385.4,531.5 1506.7,243.2 910.4,0.0 650.0,-0.0 830.6,786.5 958.1,1022.2 965.9,1158.8 691.1,1582.2 691.5,1913.0 772.4,1913.0 944.6,1845.4 1417.7,1797.7\" /></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":[1310.0,163.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.709851,42.7815821]}},{"type":"Feature","properties":{"resourceCoords":[1001.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.7106756,42.7817208]}}]}},{"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":"12"},{"label":"intersections","value":"11"},{"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":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"-0.0,1805.9 1182.5,1838.7 1436.8,1737.5 1613.0,1365.4 1613.0,472.8 1104.0,473.5 1107.6,0.0 0.0,-0.0 -0.0,193.2 129.0,249.7 -0.0,535.6 -0.0,1805.9\" /></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":[-73.707648,42.778761]}},{"type":"Feature","properties":{"resourceCoords":[833.0,1090.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.707175,42.780204]}}]}},{"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":"split_canvas_x","value":"2662.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3789.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"1613.0,1766.2 1522.1,1466.9 1498.1,480.9 1566.7,164.1 1046.2,0.0 665.7,0.0 666.5,449.8 806.0,743.4 810.1,1311.9 810.9,1431.8 812.0,1604.9 1266.3,1899.2 1613.0,1766.2\" /></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":[1101.4,836.0],"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_1910-0007__3/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 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5236.0"},{"label":"split_canvas_w","value":"3256.0"},{"label":"split_canvas_h","value":"2416.0"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0007__3/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=\"197.0,1913.0 367.0,1913.0 493.9,1913.0 590.9,1704.2 813.3,1807.3 810.9,1431.8 810.2,1328.3 195.0,1538.9 225.5,1850.7 181.8,1913.0 197.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0007__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1309.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70874877950455,42.775713136309996]}},{"type":"Feature","properties":{"resourceCoords":[814.0,1309.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.7053201693766,42.777333655417266]}},{"type":"Feature","properties":{"resourceCoords":[814.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.7036822924551,42.775459727264725]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70711090258304,42.773839208157455]}},{"type":"Feature","properties":{"resourceCoords":[446.0,1452.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.706479,42.776154]}}]}},{"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"}],"created":"2026-09-22T14:01:49Z","modified":"2026-09-22T14:01:49Z","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=\"409.2,455.0 122.7,153.5 -0.0,106.5 -0.0,0.0 1613.0,-0.0 1613.0,975.6 1331.9,981.0 1595.5,1714.9 1255.0,1828.1 302.6,1823.0 -0.0,1753.2 411.6,732.9 409.2,455.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g058501910:05850_1910-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70494148540315,42.78031219261183]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70282649648424,42.777788728708835]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70687536954742,42.775934632623446]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.70899035846634,42.77845809652644]}}]}}]}