{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06074_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mechanicville, New-York | 1897 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"19"},{"label":"placed","value":"6"},{"label":"unplaced","value":"13"},{"label":"fit sources","value":"georef-snap 5, georef 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p10__1 (tier 2, 42.90012,-73.69072 +/-100m); p10__2 (tier 2, 42.90012,-73.69072 +/-100m); p11__1 (tier 1, 43.08682,-73.92004 +/-120m); p11__2 (tier 4, 42.90403,-73.68796 +/-520m); p11__3 (tier 4, 42.90403,-73.68796 +/-520m); p12 (tier 4, 42.90403,-73.68796 +/-520m); p1__1 (tier 1, 43.30340,-73.63790 +/-186m); p1__2 (tier 4, 42.90403,-73.68796 +/-520m); p1__3 (tier 4, 42.90403,-73.68796 +/-520m); p1__4 (tier 4, 42.90403,-73.68796 +/-520m); p3 (tier 1, 42.90508,-73.69313 +/-260m); p5 (tier 1, 42.90221,-73.68704 +/-264m); p9__1 (tier 4, 42.90403,-73.68796 +/-520m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mechanicville, New-York | 1897 | sanborn06074_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.26"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:21:01Z","modified":"2026-10-19T19:21:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"651.2,90.7 764.7,89.4 1036.8,85.1 1281.2,85.4 1612.0,469.7 1612.0,506.6 1580.2,496.4 1537.2,1471.3 1596.8,1471.3 1612.0,1675.9 1612.0,1817.5 1402.0,1795.7 1210.8,1891.1 785.3,1868.6 748.2,1807.1 626.2,1794.5 113.8,1770.2 71.3,1830.6 130.0,1404.6 34.5,926.6 41.0,164.0 55.6,93.5 278.9,37.5 632.7,52.5 632.6,36.5 651.2,90.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.69317554356793,42.903426055835325]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.68907934490966,42.90373930062449]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.68857572843223,42.90015564606024]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.6926719270905,42.89984240127108]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mechanicville, New-York | 1897 | sanborn06074_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:21:01Z","modified":"2026-10-19T19:21:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.5,705.6 47.0,800.8 31.1,965.9 276.8,990.2 301.8,1025.2 228.1,1068.2 159.1,1120.4 366.7,1289.0 725.7,1758.8 722.9,1760.9 1221.5,1884.0 1244.3,1912.0 1248.2,1912.0 1528.5,1822.7 1532.8,1755.2 1463.6,1283.1 1438.8,1217.0 1373.9,1085.5 1271.5,944.3 1370.3,944.5 1365.2,541.1 1336.7,440.1 1327.4,337.0 1415.0,331.8 1153.3,1.0 1085.0,1.0 1116.9,46.8 908.8,165.5 629.8,57.1 152.5,187.2 52.2,553.6 1.0,582.3 1.0,585.5 15.5,625.6 44.5,705.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1328.0,354.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.68679801550266,42.905229013305394]}},{"type":"Feature","properties":{"resourceCoords":[1101.0,948.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.68804471245967,42.90447906042075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mechanicville, New-York | 1897 | sanborn06074_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.57"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:21:01Z","modified":"2026-10-19T19:21:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"259.3,1210.3 257.4,1107.2 274.3,1007.0 358.8,1023.9 192.2,643.2 127.4,626.2 65.3,457.0 117.6,376.6 91.4,265.7 320.9,126.9 325.7,75.1 1042.8,80.2 1050.6,146.3 1397.5,149.8 1396.9,141.2 1525.2,147.7 1545.7,1825.1 873.8,1879.3 549.9,1744.5 182.5,1805.9 170.7,1912.0 160.6,1870.8 131.7,1729.6 69.7,1570.0 163.5,1594.8 259.3,1210.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1070.0,471.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.68443487385278,42.905847611466086]}},{"type":"Feature","properties":{"resourceCoords":[309.0,471.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.68633369482151,42.90621961980641]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mechanicville, New-York | 1897 | sanborn06074_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.54"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:21:01Z","modified":"2026-10-19T19:21:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"558.5,1655.0 550.4,1705.8 314.5,1827.8 293.6,1702.2 218.0,1501.3 122.5,1491.4 46.7,1362.5 47.1,635.8 144.3,544.7 128.0,425.6 285.8,387.3 312.4,302.9 520.0,261.9 588.2,133.4 710.2,59.0 1420.0,120.3 1333.8,266.8 1361.2,405.3 1473.1,462.3 1556.6,848.7 1472.6,1224.9 1509.9,1778.7 1612.0,1790.7 1612.0,1794.0 1612.0,1799.2 1269.7,1773.0 1266.3,1707.2 558.5,1655.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[832.0,654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.68482171942009,42.90871078064253]}},{"type":"Feature","properties":{"resourceCoords":[1271.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.68428494102261,42.906369252039134]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mechanicville, New-York | 1897 | sanborn06074_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.22"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:21:01Z","modified":"2026-10-19T19:21:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"603.6,24.2 848.6,150.4 1441.4,104.8 1533.4,164.5 1489.1,271.6 1550.1,879.3 1470.3,1785.5 945.5,1784.5 482.6,1874.1 124.0,1787.4 53.4,1621.0 49.1,1286.3 218.4,843.0 129.8,456.2 63.4,457.1 46.1,307.8 5.2,93.8 603.6,24.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[234.0,715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.68819835340085,42.899873076108676]}},{"type":"Feature","properties":{"resourceCoords":[234.0,489.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.68819139551441,42.90027388166394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mechanicville, New-York | 1897 | sanborn06074_004 p9 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.14"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3124.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3328.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T19:21:01Z","modified":"2026-10-19T19:21:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0009__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1588.7,520.3 1612.0,437.4 1612.0,424.8 1612.0,388.4 1546.5,378.0 1534.8,206.9 1463.5,110.9 1241.5,43.5 1055.8,53.8 852.2,165.6 864.3,1738.5 883.2,1794.0 998.8,1792.6 1276.0,1788.0 1528.3,1788.2 1509.9,1190.1 1438.5,929.0 1526.0,926.7 1612.0,934.9 1612.0,923.6 1612.0,891.3 1424.2,726.5 1534.7,600.0 1588.7,520.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804mm:g3804mm_g060741897:06074_1897-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[817.0,388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.692027,42.905938]}},{"type":"Feature","properties":{"resourceCoords":[1276.0,1788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.69052,42.903468]}}]}}]}