{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05353_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lancaster, New-Hampshire | 1921 | 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":"9"},{"label":"placed","value":"4"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 2, georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 44.49201,-71.56707 +/-337m); p1__2 (tier 4, 44.49032,-71.56721 +/-490m); p1__3 (tier 1, 44.48938,-71.56675 +/-200m); p2__1 (tier 1, 44.49601,-71.56789 +/-138m); p4__2 (tier 1, 44.46906,-71.18312 +/-121m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lancaster, New-Hampshire | 1921 | sanborn05353_006 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"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":"2026-10-18T22:50:29Z","modified":"2026-10-18T22:50:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"404.1,71.4 353.7,282.5 51.6,344.9 34.8,892.2 91.9,1229.2 188.4,1300.6 494.1,1310.2 641.6,1760.6 1189.5,1870.3 1468.2,1868.8 1572.3,1841.4 1571.2,1819.1 1430.7,1420.3 1419.2,1419.3 1529.2,789.0 1551.8,791.5 1560.5,687.1 1563.7,565.5 1530.1,506.4 1558.1,146.5 1512.3,147.9 1284.8,154.2 1109.6,167.0 1099.2,105.6 404.1,71.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1132.0,704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.56964580115469,44.48973062078667]}},{"type":"Feature","properties":{"resourceCoords":[1132.0,170.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.56985540816326,44.49073934225855]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lancaster, New-Hampshire | 1921 | sanborn05353_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:50:29Z","modified":"2026-10-18T22:50:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1495.3,1884.6 312.9,1846.2 237.6,1856.9 238.1,1912.0 74.6,1571.5 63.5,1571.8 102.8,957.2 124.6,957.1 122.1,856.5 112.4,739.8 74.1,686.7 63.2,339.4 316.9,303.6 509.3,280.4 533.5,278.6 532.0,247.3 531.1,228.9 775.6,167.3 932.4,99.1 933.4,209.7 1171.7,205.2 1441.1,99.8 1587.7,180.3 1559.1,750.8 1609.1,1222.1 1558.8,1648.8 1612.0,1646.5 1612.0,1729.4 1529.5,1912.0 1492.9,1912.0 1495.3,1884.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[597.0,1566.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.567122394216,44.488511689902865]}},{"type":"Feature","properties":{"resourceCoords":[597.0,251.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.56726215650217,44.49111885120872]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lancaster, New-Hampshire | 1921 | sanborn05353_006 p4 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.30"},{"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":"2026-10-18T22:50:29Z","modified":"2026-10-18T22:50:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"154.8,1778.5 258.5,1773.8 269.9,1846.5 354.4,1880.9 988.5,1898.3 1197.0,1808.0 1453.2,1873.9 1568.0,1817.5 1582.2,972.0 948.2,954.6 932.6,448.6 821.0,289.4 865.6,207.1 728.8,64.2 474.6,14.9 51.2,48.2 60.0,1163.6 1.0,1209.0 1.0,1232.4 57.3,1528.7 24.3,1551.8 154.8,1778.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[728.0,1192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5626061,44.4877499]}},{"type":"Feature","properties":{"resourceCoords":[728.0,-203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5606906,44.489865]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lancaster, New-Hampshire | 1921 | sanborn05353_006 p5","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.64"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:50:29Z","modified":"2026-10-18T22:50:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"700.6,1879.0 551.1,1835.8 442.2,1803.9 357.0,1783.0 361.5,1752.2 36.8,1629.2 19.7,1206.2 60.7,774.2 25.1,496.9 62.3,310.8 49.0,115.4 97.6,33.3 456.9,30.4 542.1,64.8 844.8,81.1 1193.0,53.1 1467.5,142.0 1494.2,96.2 1563.7,154.2 1546.6,204.7 1589.4,745.2 1544.2,899.8 1565.0,961.2 1538.5,1062.2 1567.8,1788.7 1542.8,1862.8 1502.0,1881.9 1041.8,1897.7 1035.5,1912.0 946.5,1912.0 817.8,1889.2 814.3,1898.2 808.8,1912.0 796.5,1908.9 700.6,1879.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744lm:g3744lm_g053531921:05353_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[642.0,761.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5709812,44.4947281]}},{"type":"Feature","properties":{"resourceCoords":[357.0,1783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.569916,44.4907387]}}]}}]}