{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03490_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lewiston, Maine | 1902 | 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":"31"},{"label":"placed","value":"26"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 13, georef 13"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p22__2 (tier 1, 44.09706,-70.20934 +/-100m); p24__1 (tier 4, 44.09817,-70.21377 +/-1106m); p24__2 (tier 4, 44.09817,-70.21377 +/-1106m); p24__3 (tier 4, 44.09817,-70.21377 +/-1106m); p25__2 (tier 1, 44.08943,-70.21234 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.9,142.6 99.7,288.5 92.6,949.8 89.7,1012.8 96.9,1341.6 102.5,1812.0 773.4,1793.9 820.4,1791.4 1202.0,1799.8 1564.2,1796.1 1563.6,1573.3 1549.5,785.0 1529.9,714.3 1174.8,466.7 1260.2,383.9 862.0,1.0 853.0,1.0 784.3,9.7 525.2,70.4 161.4,128.6 92.9,142.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1188.0,937.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21275903537094,44.09944971384027]}},{"type":"Feature","properties":{"resourceCoords":[460.0,1319.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21409770024368,44.09824398715873]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"93.2,1847.1 70.7,1912.0 9.5,1912.0 11.1,1907.2 59.5,1761.0 107.2,1587.1 123.8,1481.8 159.3,1182.8 162.3,1062.0 141.7,936.3 150.7,889.0 62.3,390.1 6.0,33.0 413.3,56.4 1201.6,82.0 1228.5,91.9 1612.0,124.0 1612.0,241.9 1569.6,859.8 1542.1,1261.0 1540.8,1378.9 1565.1,1421.8 1478.3,1483.2 1207.9,1665.2 1094.5,1710.1 679.6,1859.0 661.2,1739.2 93.2,1847.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[501.0,568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21197853540804,44.10245716446892]}},{"type":"Feature","properties":{"resourceCoords":[111.0,606.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21288723317322,44.102765857449526]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"1.00"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"309.5,1672.0 223.9,1224.9 103.5,563.0 71.0,338.8 24.9,118.0 111.5,39.1 1378.4,43.7 1440.0,100.0 1514.2,53.1 1547.1,118.9 1582.3,72.4 1564.8,556.0 1559.2,1032.9 1555.9,1823.4 1528.9,1814.2 740.5,1808.0 333.0,1794.7 309.5,1672.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[191.0,1051.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21165236340593,44.1050695521939]}},{"type":"Feature","properties":{"resourceCoords":[1058.0,1810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21081193754382,44.103033240631646]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p13","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.48"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1485.1,1733.2 1478.3,1583.5 1491.1,1033.1 1487.2,657.0 1489.9,352.2 1491.9,340.1 641.6,88.7 651.9,37.6 352.1,69.5 185.7,328.0 47.1,1615.9 9.6,1699.1 1.0,1694.0 1.0,1749.7 1067.7,1746.8 1068.0,1732.9 1485.1,1733.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1271.0,329.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.221177,44.095198]}},{"type":"Feature","properties":{"resourceCoords":[1271.0,1733.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.2197514,44.0929259]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"115.2,1875.2 148.0,1475.6 171.5,1475.8 188.5,793.3 213.5,795.1 213.3,602.2 217.7,398.8 215.3,21.9 421.0,20.4 842.2,24.9 1056.0,17.8 1173.0,21.5 1436.0,20.6 1436.4,403.0 1428.7,858.9 1429.8,923.0 1430.8,981.8 1429.7,1035.5 1430.6,1879.9 1288.3,1886.3 765.0,1874.3 407.5,1878.2 117.7,1875.6 115.2,1875.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[833.0,400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21639895230255,44.09523356212425]}},{"type":"Feature","properties":{"resourceCoords":[833.0,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21688250080295,44.09507717457811]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"180.8,1334.7 179.9,1133.6 169.0,451.9 167.0,404.1 179.8,16.6 829.2,22.6 1186.4,23.0 1421.2,25.6 1419.2,396.2 1417.3,1132.6 1431.8,1132.8 1482.6,1870.5 1409.4,1870.7 1143.5,1871.1 1025.3,1867.0 809.1,1873.7 383.2,1868.3 175.3,1869.3 180.8,1334.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1399.0,762.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21227032955666,44.09536028538135]}},{"type":"Feature","properties":{"resourceCoords":[196.0,1511.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21530082440758,44.096813103728245]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p16","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"109.5,930.1 93.7,132.2 73.6,60.6 175.4,126.5 478.9,240.4 578.7,275.2 842.3,356.4 1099.1,441.6 1186.5,370.3 1577.4,124.8 1599.5,162.0 1541.2,203.7 1610.1,972.9 1574.7,1744.1 1589.6,1746.7 1589.9,1786.8 1221.3,1789.9 851.0,1797.0 484.5,1799.3 113.4,1804.2 110.7,1155.7 109.5,930.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[851.0,1149.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.209213,44.09882]}},{"type":"Feature","properties":{"resourceCoords":[851.0,1797.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.208543,44.09772]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p17","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.37"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.2,155.8 1125.0,137.9 1125.0,125.0 1514.8,119.3 1515.5,773.0 1520.1,1009.0 1518.0,1093.0 1523.8,1493.1 1537.4,1757.7 1537.8,1849.3 1526.0,1832.0 844.1,1869.8 631.8,1770.2 656.2,1695.7 559.5,1615.1 335.0,1525.8 148.4,1545.7 132.4,1314.3 119.3,1308.7 192.8,1085.0 53.1,746.0 43.5,285.2 79.6,76.4 126.4,103.2 127.2,155.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1518.0,1093.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.218239,44.091387]}},{"type":"Feature","properties":{"resourceCoords":[1125.0,125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.220209,44.092778]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.7,1729.2 47.9,1461.5 48.0,1057.2 51.4,972.3 50.2,733.7 59.3,73.3 898.2,72.3 951.5,73.3 1073.6,71.3 1526.5,78.9 1521.4,388.2 1528.4,533.7 1525.8,711.7 1531.7,843.9 1520.2,1312.5 1521.9,1605.7 1519.6,1838.1 1519.9,1912.0 1503.3,1870.0 1366.5,1824.2 1076.2,1874.6 1042.1,1827.8 989.4,1874.9 954.1,1796.0 902.0,1859.2 854.2,1790.4 734.8,1776.0 305.6,1889.8 96.5,1882.3 56.7,1821.7 57.7,1729.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1108.0,74.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21676580546453,44.09388952515957]}},{"type":"Feature","properties":{"resourceCoords":[70.0,1042.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21820276727651,44.09142997637139]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p19","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1400.0,1886.1 923.0,1877.1 788.6,1883.9 607.5,1882.2 459.5,1890.2 144.8,1886.8 142.0,1500.2 215.2,1499.5 158.4,762.3 144.0,762.3 140.0,26.0 1396.8,23.1 1394.1,394.0 1394.7,954.9 1402.3,1505.6 1415.3,1505.7 1420.4,1885.9 1400.0,1886.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[733.0,1137.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.213386,44.093772]}},{"type":"Feature","properties":{"resourceCoords":[140.0,26.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.211392,44.095605]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"48.0,137.3 61.0,327.9 108.5,421.1 145.7,436.0 187.3,608.4 60.1,1027.0 87.2,1368.5 588.0,1620.1 1135.6,1691.3 1415.4,1878.3 1406.4,1912.0 1492.9,1912.0 1504.8,1892.4 1593.0,1048.5 1424.7,623.5 1360.2,450.6 1343.0,404.0 1317.3,340.2 1280.1,261.0 1211.3,204.7 1168.5,121.2 1137.5,58.1 1.0,133.0 1.0,139.2 48.0,137.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1343.0,404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.2184874,44.0984603]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.220032,44.097404]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0020__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 | 1902 | sanborn03490_004 p20 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3316.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4335.6"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0020__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1483.0,1904.3 1510.1,1362.7 1478.5,953.1 1416.9,878.3 172.2,831.2 173.5,829.1 116.8,829.1 116.6,888.0 118.0,1444.0 118.6,1810.7 1362.5,1809.0 1361.7,1912.0 1483.0,1904.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0020__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1360.0,1444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.209211,44.093766]}},{"type":"Feature","properties":{"resourceCoords":[118.0,1444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.210522,44.095884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0020__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 | 1902 | sanborn03490_004 p20 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"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":"3316.4"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0020__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"775.0,89.8 777.8,451.6 145.6,450.6 148.0,808.1 778.9,809.3 1125.8,807.2 1354.0,808.1 1352.5,262.1 1353.0,92.3 775.0,89.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1354.0,808.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.210522,44.095884]}},{"type":"Feature","properties":{"resourceCoords":[148.0,808.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.211818,44.097979]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0021__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 | 1902 | sanborn03490_004 p21 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"940.1,1912.0 967.1,1912.0 1057.0,1828.0 1039.7,468.7 1067.2,459.9 1067.2,442.9 1067.2,424.0 1135.4,424.0 1178.5,424.0 1390.5,355.6 1523.9,383.9 1545.3,308.0 1458.6,161.1 1216.2,141.8 1172.0,46.7 1012.0,18.1 154.6,18.5 114.5,72.9 103.1,563.0 103.6,1046.0 110.7,1846.7 508.0,1865.0 940.9,1879.1 940.1,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[528.0,1036.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.20774342629547,44.10334481929521]}},{"type":"Feature","properties":{"resourceCoords":[528.0,1852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.20887059579911,44.10209992128576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0021__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 | 1902 | sanborn03490_004 p21 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4268.8"},{"label":"split_canvas_y","value":"1696.0"},{"label":"split_canvas_w","value":"2183.2"},{"label":"split_canvas_h","value":"5956.0"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0021__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1122.2,1854.5 1329.7,1668.9 1537.2,1491.4 1521.1,1378.6 1512.6,912.7 1556.4,913.0 1530.5,584.2 1532.9,581.8 1507.2,581.8 1506.7,549.2 1077.4,552.0 1070.3,551.9 1069.3,551.9 1078.4,670.0 1083.5,1291.6 1086.8,1695.3 1094.5,1813.3 1122.2,1854.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1087.2,539.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.20889137743497,44.102109056089816]}},{"type":"Feature","properties":{"resourceCoords":[1087.2,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21083971327698,44.10013131976232]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0022__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 | 1902 | sanborn03490_004 p22 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.97"},{"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":"3164.0"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"30.5,659.2 30.4,715.8 144.3,789.9 1546.5,722.5 1584.4,408.3 1466.6,71.8 1240.9,30.2 1240.9,69.8 876.4,70.0 510.2,74.2 147.8,73.5 144.0,659.9 30.5,659.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0022__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[510.0,658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.207922,44.096721]}},{"type":"Feature","properties":{"resourceCoords":[1240.0,658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.206183,44.097279]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0022__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p22 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.77"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3113.6"},{"label":"split_canvas_y","value":"3164.0"},{"label":"split_canvas_w","value":"3338.4"},{"label":"split_canvas_h","value":"4488.0"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0022__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1124.2 1553.7,818.9 951.0,871.0 946.5,1154.3 827.4,1300.3 827.3,1424.0 916.6,1529.2 914.7,1790.9 1036.6,1805.4 1080.0,1868.8 1575.4,1862.1 1502.5,1373.2 1612.0,1124.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0022__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1358.1,889.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.1992535,44.1007164]}},{"type":"Feature","properties":{"resourceCoords":[1358.1,1769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.2015252,44.1005228]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p23","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"130.2,1808.2 126.9,1426.8 113.8,1426.6 108.8,874.0 110.8,311.3 114.0,43.6 152.7,43.8 237.1,36.3 490.9,150.2 969.5,67.9 1210.2,175.9 1536.6,218.0 1474.5,696.2 1555.2,820.8 1509.1,1209.7 1558.1,1440.5 1612.0,1464.7 1612.0,1610.3 1542.2,1807.9 1479.9,1807.6 1476.7,1912.0 1452.3,1912.0 1431.5,1865.6 1277.8,1796.6 721.6,1822.9 721.6,1808.0 646.1,1808.3 408.9,1806.2 130.2,1808.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1080.0,1428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.212544,44.090742]}},{"type":"Feature","properties":{"resourceCoords":[1080.0,1806.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.213428,44.090457]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0025__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 | 1902 | sanborn03490_004 p25 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.56"},{"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":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0025__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,1402.5 1612.0,1401.5 1409.3,996.6 1536.4,766.2 1538.2,409.2 860.8,432.3 731.0,132.4 589.0,179.0 474.4,63.3 421.3,201.0 283.3,362.3 224.4,339.3 183.3,436.8 160.4,429.1 167.2,555.0 51.4,617.5 40.4,712.0 164.4,1122.0 158.2,1326.8 52.3,1515.3 98.0,1846.3 1478.8,1836.9 1547.4,1769.0 1612.0,1402.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0025__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[92.0,686.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21386722245167,44.08950589238195]}},{"type":"Feature","properties":{"resourceCoords":[207.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21570790732827,44.087874316476665]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p3","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1550.6,1558.9 1513.8,1515.2 1501.4,1049.3 1506.0,857.0 1501.0,438.0 1470.8,437.3 1605.8,46.3 1603.0,46.0 1603.0,1.0 1161.0,1.0 1159.4,5.9 541.5,189.8 542.8,186.0 556.1,168.9 704.2,77.0 714.6,19.8 21.7,453.7 27.7,568.6 33.1,788.6 39.2,788.7 97.8,1912.0 122.6,1905.8 335.5,1822.2 434.7,1790.0 547.5,1761.2 536.7,1840.7 647.2,1799.3 795.9,1750.6 899.0,1730.5 968.8,1717.1 1338.7,1662.5 1602.4,1604.1 1604.2,1603.6 1569.5,1553.5 1568.5,1553.8 1550.6,1558.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1501.0,438.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.216179,44.102621]}},{"type":"Feature","properties":{"resourceCoords":[1278.0,1671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.2153882,44.1003763]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1498.7,1901.8 871.3,1750.6 874.3,1748.0 894.4,1739.8 1068.9,1734.7 1106.5,1690.3 753.2,1702.3 288.6,1718.0 236.1,1820.5 178.5,1726.9 250.0,1676.1 262.1,1541.9 256.4,1420.4 55.6,1150.8 140.3,866.4 351.4,671.4 429.1,427.7 369.9,344.4 894.5,60.8 1484.9,71.2 1499.9,231.0 1528.3,266.1 1476.7,361.7 1500.9,361.0 1481.4,958.9 1475.2,1063.8 1486.0,1478.0 1483.0,1509.3 1497.0,1880.3 1498.7,1901.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1097.0,1105.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.219707,44.103335]}},{"type":"Feature","properties":{"resourceCoords":[1486.0,1478.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.218346,44.103521]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"697.5,1888.5 800.8,1896.6 1209.1,1894.1 1239.8,1897.6 1605.8,1891.0 1612.0,1890.7 1612.0,810.8 1557.6,675.6 1582.9,676.0 1435.5,1.0 1410.8,1.0 1234.5,129.0 1221.5,33.2 851.8,15.2 464.5,35.3 129.9,132.7 31.1,601.2 71.7,1785.3 15.8,1828.8 109.0,1881.6 108.7,1857.7 696.3,1888.4 697.5,1888.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[480.0,680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21813248128448,44.10616904038912]}},{"type":"Feature","properties":{"resourceCoords":[1213.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21829632860734,44.10356030249109]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"101.8,845.5 138.8,873.9 345.9,1234.0 366.3,1211.5 687.0,1484.0 829.6,1614.2 1190.7,1912.0 1248.5,1912.0 1258.5,1890.4 1322.8,1750.4 1389.6,1582.7 1417.8,1479.8 1486.5,1186.3 1502.8,1066.4 1496.3,939.1 1510.5,893.0 1477.9,386.8 1461.5,25.3 1461.3,21.5 1461.3,20.5 1404.3,24.8 1072.0,21.4 485.9,93.4 1.0,129.6 1.0,152.9 128.8,137.2 34.0,691.7 46.0,712.6 1.0,801.9 1.0,961.4 101.8,845.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1497.0,906.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21321771032953,44.102269341137614]}},{"type":"Feature","properties":{"resourceCoords":[362.0,1218.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21619593576818,44.102613550188664]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1596.8,654.5 1576.2,1332.2 1566.5,1791.0 1564.0,1912.0 1506.2,1912.0 1173.2,1883.8 579.8,1912.0 81.4,1912.0 56.7,1734.0 81.8,1740.5 103.7,1017.1 61.8,922.4 132.8,880.5 31.1,690.0 130.1,425.5 55.1,305.9 167.5,57.9 1171.5,10.3 1226.0,10.8 1548.1,28.4 1605.0,203.9 1612.0,199.9 1612.0,426.6 1596.8,654.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[980.0,643.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21263675243097,44.10632603965333]}},{"type":"Feature","properties":{"resourceCoords":[1576.0,1145.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21165497483723,44.10508766472409]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.46"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1353.0,60.5 1331.4,74.5 1445.3,719.5 1423.2,723.9 1468.4,1105.9 1459.5,1106.2 1388.9,1912.0 1375.9,1912.0 1341.3,1912.0 1325.0,1860.2 781.6,1779.4 499.6,1644.2 477.4,1710.2 373.6,1729.3 401.0,1349.4 481.0,1334.0 488.5,1313.8 420.3,517.7 174.0,129.5 1184.1,56.8 1242.1,66.7 1297.7,71.6 1353.0,60.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1498.0,1495.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.22167205265373,44.09510062278522]}},{"type":"Feature","properties":{"resourceCoords":[89.0,-113.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.21826963129439,44.098467422814494]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lewiston, Maine | 1902 | sanborn03490_004 p9","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"23"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T15:38:01Z","modified":"2026-10-19T15:38:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"740.9,277.1 568.5,361.7 511.4,430.2 367.2,492.1 175.7,561.5 39.4,1632.2 16.8,1690.7 1.0,1744.3 1.0,1808.0 185.2,1807.5 393.3,1811.8 778.8,1808.9 1319.5,1812.7 1523.0,1811.2 1520.8,1327.9 1516.0,990.0 1519.5,925.2 1531.8,245.9 1526.0,96.0 1421.7,116.8 1271.4,166.8 1159.8,209.3 1170.3,128.8 1056.2,158.4 956.0,191.6 740.9,277.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734lm:g3734lm_g034901902:03490_1902-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1516.0,990.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.215305,44.09849]}},{"type":"Feature","properties":{"resourceCoords":[-12.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.2179968,44.0959852]}}]}}]}