{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03490_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lewiston, Maine | 1886 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"16"},{"label":"placed","value":"11"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 8, georef-snap 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 44.09817,-70.22026 +/-100m); p3__1 (tier 1, 44.09975,-70.20809 +/-116m); p4__2 (tier 1, 44.08843,-70.21451 +/-100m); p6__1 (tier 1, 44.08970,-70.21852 +/-100m); p9__2 (tier 1, 44.10247,-70.21928 +/-111m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1886 | sanborn03490_001 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:03:18Z","modified":"2026-10-18T22:03:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1454.8,1879.8 73.7,1835.9 17.1,1664.4 53.8,1174.2 8.8,806.6 34.9,287.3 102.2,109.5 266.3,17.3 1093.6,91.2 1314.0,33.6 1325.7,43.3 1377.4,291.5 1427.4,661.7 1439.9,731.6 1458.8,834.8 1505.6,983.9 1545.7,1094.8 1466.5,1083.1 1493.9,1196.1 1524.9,1295.6 1605.7,1509.2 1590.9,1511.0 1495.4,1912.0 1453.3,1912.0 1454.8,1879.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1356.0,356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21542872940422,44.10042200874515]}},{"type":"Feature","properties":{"resourceCoords":[133.0,121.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21621878125593,44.102654624551974]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1886 | sanborn03490_001 p11 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.94"},{"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":"2026-10-18T22:03:18Z","modified":"2026-10-18T22:03:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"85.3,1374.3 52.5,1432.9 18.7,1440.6 12.2,1441.9 56.4,1648.7 282.7,1859.2 1555.6,1848.2 1610.5,426.8 1538.2,113.5 1463.7,48.7 1227.0,37.9 1150.0,516.8 1150.1,533.1 1146.7,535.5 816.3,794.0 695.5,854.4 97.7,850.1 58.2,878.8 85.3,1374.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1353.0,1126.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.212,44.102449]}},{"type":"Feature","properties":{"resourceCoords":[266.0,1831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.2121758,44.1000903]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1886 | sanborn03490_001 p11 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"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":"4600.4"},{"label":"split_canvas_h","value":"3396.0"}],"created":"2026-10-18T22:03:18Z","modified":"2026-10-18T22:03:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"152.3,848.0 154.7,844.6 696.3,840.3 1114.5,501.2 1119.1,506.5 1124.0,502.3 1149.1,479.7 1149.1,424.6 1149.1,414.3 890.4,5.9 877.1,34.8 803.9,1.0 773.6,1.0 769.4,1.1 524.4,53.9 158.8,105.8 89.9,118.7 94.1,265.1 77.5,848.0 152.3,848.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[464.1,948.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21442254955309,44.098869801287]}},{"type":"Feature","properties":{"resourceCoords":[91.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21627623734997,44.100090476313106]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1886 | sanborn03490_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:03:18Z","modified":"2026-10-18T22:03:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"771.1,1737.9 1309.6,1744.3 1512.2,1743.8 1512.3,1631.3 1560.0,1631.5 1546.5,844.2 1590.3,781.1 1514.7,780.4 1528.7,185.2 1523.7,35.8 1419.7,56.0 1269.8,105.0 1158.5,146.8 1169.3,66.7 1055.6,95.7 955.5,128.1 740.9,212.2 739.0,197.3 333.2,105.6 331.7,63.2 78.4,55.0 77.8,127.5 29.3,166.7 128.0,510.4 100.5,520.9 14.6,1611.8 12.8,1616.5 1.0,1655.9 1.0,1733.1 180.0,1733.6 387.2,1738.8 771.1,1737.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1519.0,920.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21528889406156,44.09850743440568]}},{"type":"Feature","properties":{"resourceCoords":[367.0,1735.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21710393613057,44.09627308722353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1886 | sanborn03490_001 p3 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.31"},{"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":"2026-10-18T22:03:18Z","modified":"2026-10-18T22:03:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1540.0,1107.2 1552.8,1107.7 1527.0,716.2 1541.5,714.5 1469.3,40.2 1409.8,30.1 1405.0,28.8 352.1,74.6 338.8,49.5 21.8,184.2 81.2,241.6 119.2,498.8 60.8,896.5 187.9,988.5 220.8,995.8 362.7,993.7 374.6,1028.3 375.1,1029.8 424.2,1040.6 744.0,1795.2 1366.6,1894.6 1362.3,1912.0 1392.9,1912.0 1430.9,1912.0 1540.0,1107.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[583.0,553.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.220032,44.097404]}},{"type":"Feature","properties":{"resourceCoords":[619.0,961.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.2210347,44.0971055]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1886 | sanborn03490_001 p4 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"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":"2026-10-18T22:03:18Z","modified":"2026-10-18T22:03:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"761.7,1878.5 999.3,1877.2 1083.8,1880.5 1486.4,1880.3 1612.0,1878.2 1612.0,1842.3 1612.0,1826.7 1595.6,1826.8 1599.8,1695.5 1529.6,1624.8 1119.6,1613.0 1087.4,1144.0 1125.0,1060.3 1125.0,1057.5 1126.2,1057.5 1128.4,1052.7 1544.3,1051.5 1564.8,1005.8 1567.8,74.6 1596.5,75.7 1596.3,53.7 733.9,35.0 653.3,34.6 615.8,1.0 33.0,1.0 34.8,31.0 107.7,30.6 108.5,409.0 101.3,859.9 103.4,981.6 102.4,1034.6 104.0,1870.0 761.7,1878.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1061.0,408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.214734,44.092565]}},{"type":"Feature","properties":{"resourceCoords":[104.0,1870.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.2192689,44.0930818]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1886 | sanborn03490_001 p5","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"26"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:03:18Z","modified":"2026-10-18T22:03:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"124.3,1866.0 412.4,1865.3 767.8,1857.7 1288.0,1863.9 1429.3,1856.0 1419.2,1016.6 1419.7,963.4 1416.5,847.2 1416.3,841.1 1419.0,388.0 1414.3,7.9 1341.1,9.0 1340.5,1.0 873.3,1.0 854.3,17.3 589.6,20.4 405.6,18.8 201.1,22.5 207.6,397.1 205.5,599.4 207.6,775.0 135.4,776.1 152.4,780.9 152.1,1468.1 137.3,1468.2 120.8,1865.5 124.3,1866.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[819.0,388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.2163906,44.0952366]}},{"type":"Feature","properties":{"resourceCoords":[1419.0,388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.215762,44.094204]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1886 | sanborn03490_001 p6 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.73"},{"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":"2026-10-18T22:03:18Z","modified":"2026-10-18T22:03:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1570.9,1625.5 1519.4,1625.8 1516.8,1500.0 1515.0,1097.0 1518.0,1012.4 1515.8,774.6 1521.7,116.2 1129.0,118.0 1128.5,159.4 51.4,106.2 32.1,314.3 112.7,1172.3 282.7,1247.9 647.2,1266.5 680.6,1266.8 680.6,1268.3 680.8,1268.3 723.6,1858.9 1484.2,1891.7 1572.2,1852.5 1570.9,1625.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1515.0,1097.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.218239,44.091387]}},{"type":"Feature","properties":{"resourceCoords":[1129.0,118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.220209,44.092778]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1886 | sanborn03490_001 p7","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:03:18Z","modified":"2026-10-18T22:03:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1122.8,1686.1 1122.2,1728.3 24.7,1672.0 145.3,389.7 265.6,227.8 485.5,182.4 639.0,35.4 724.6,66.9 716.5,136.9 1526.0,343.6 1523.4,360.1 1521.7,652.6 1526.6,1013.5 1516.1,1541.5 1523.0,1685.0 1122.8,1686.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1523.0,382.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.2206381,44.0952829]}},{"type":"Feature","properties":{"resourceCoords":[1523.0,1685.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.2192689,44.0930818]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1886 | sanborn03490_001 p8","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:03:18Z","modified":"2026-10-18T22:03:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.7,145.7 108.6,227.6 92.2,1103.3 69.3,1120.2 51.1,1653.5 146.1,1815.0 677.3,1853.1 1476.2,1772.1 1514.6,1686.0 1448.3,1656.4 1323.4,1259.1 1574.4,767.1 1586.0,295.5 1550.0,73.0 1355.5,10.1 1360.5,1.0 237.5,1.0 108.7,145.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1208.0,838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21095,44.093212]}},{"type":"Feature","properties":{"resourceCoords":[841.0,175.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.212516,44.09406]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1886 | sanborn03490_001 p9 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"},{"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":"2026-10-18T22:03:18Z","modified":"2026-10-18T22:03:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"826.9,1845.8 823.5,1200.2 1612.0,1194.2 1612.0,542.6 1580.5,525.5 1569.8,31.2 1512.0,31.0 1231.8,82.9 960.0,16.2 156.4,20.1 79.9,49.1 48.9,241.7 51.1,1084.2 1.0,1085.2 1.0,1132.2 110.7,1131.8 112.0,1331.1 108.0,1861.0 314.1,1859.4 499.7,1863.0 766.5,1862.7 787.1,1845.4 826.9,1845.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901886:03490_1886-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1337.0,764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.212259,44.095325]}},{"type":"Feature","properties":{"resourceCoords":[108.0,1861.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.216162,44.096575]}}]}}]}