{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03543_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"South Berwick, Maine | 1913 | 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":"9"},{"label":"placed","value":"3"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef-snap 2, georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 43.38792,-70.53712 +/-167m); p2__1 (tier 1, 43.23474,-70.81381 +/-106m); p3__1 (tier 1, 43.23458,-70.80923 +/-103m); p3__2 (tier 1, 43.23797,-70.81503 +/-191m); p3__3 (tier 1, 43.23649,-70.80866 +/-100m); p3__4 (tier 1, 43.23665,-70.80653 +/-116m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431913:03543_1913-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"South Berwick, Maine | 1913 | sanborn03543_005 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.48"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2856.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4796.0"}],"created":"2026-10-19T19:34:33Z","modified":"2026-10-19T19:34:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431913:03543_1913-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431913:03543_1913-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1462.2,819.7 971.4,990.8 799.5,865.6 638.2,879.1 578.2,804.0 432.3,866.0 304.0,831.8 353.1,784.2 311.5,764.2 44.2,756.6 40.3,1597.4 134.3,1760.0 66.0,1800.8 87.8,1846.2 206.1,1876.8 222.0,1909.6 922.2,1837.2 1053.1,1910.2 1549.2,1911.9 1588.0,1310.1 1612.0,1298.6 1612.0,1260.4 1561.3,1152.7 1567.8,1148.1 1462.2,819.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431913:03543_1913-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1142.0,1713.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8079072,43.2322312]}},{"type":"Feature","properties":{"resourceCoords":[514.0,1607.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8088513,43.2312566]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431913:03543_1913-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"South Berwick, Maine | 1913 | sanborn03543_005 p2 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"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":"2026-10-19T19:34:33Z","modified":"2026-10-19T19:34:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431913:03543_1913-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431913:03543_1913-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1571.0,1188.5 1487.4,938.3 1479.4,942.2 1305.0,161.6 1250.0,196.1 1083.2,98.7 1070.0,132.7 714.9,84.4 75.7,308.0 48.8,817.7 224.7,950.9 462.5,945.5 463.9,950.4 464.6,950.4 464.6,952.9 553.1,1256.9 476.1,1560.3 415.1,1677.0 732.5,1852.9 730.9,1861.1 859.1,1912.0 884.3,1912.0 900.2,1870.9 998.7,1868.4 1070.8,1766.3 1327.7,1711.5 1469.0,1766.2 1429.6,1637.2 1551.0,1408.0 1502.7,1364.8 1571.0,1188.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431913:03543_1913-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[197.0,291.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.81134236584471,43.23565637338084]}},{"type":"Feature","properties":{"resourceCoords":[876.0,1222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.80897319637225,43.23454770154927]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431913:03543_1913-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"South Berwick, Maine | 1913 | sanborn03543_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T19:34:33Z","modified":"2026-10-19T19:34:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431913:03543_1913-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431913:03543_1913-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"267.3,1771.3 148.0,1778.4 145.5,1622.7 24.7,1536.3 43.3,102.8 83.8,39.8 260.0,16.2 1563.7,31.8 1611.6,752.8 1562.1,1880.5 1567.7,1885.8 1312.7,1866.0 1313.2,1874.6 550.6,1735.9 560.6,1798.1 410.8,1910.3 267.3,1771.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431913:03543_1913-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1246.0,928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.80624860555592,43.236698918713685]}},{"type":"Feature","properties":{"resourceCoords":[441.0,1675.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.80901387903876,43.23680645247034]}}]}}]}