{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03543_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"South Berwick, Maine | 1901 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"6"},{"label":"placed","value":"2"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 43.23613,-70.80915 +/-139m); p1__3 (tier 4, 43.23613,-70.80915 +/-139m); p2__1 (tier 2, 43.23566,-70.81155 +/-100m); p2__2 (tier 2, 43.23566,-70.81155 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431901:03543_1901-0001__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 | 1901 | sanborn03543_003 p1 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"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":"2026-09-22T02:05:09Z","modified":"2026-09-22T02:05:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431901:03543_1901-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431901:03543_1901-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,963.3 460.0,963.3 466.6,1569.0 309.3,1913.0 377.0,1913.0 595.0,1913.0 1087.0,1913.0 1082.6,1603.2 1271.2,1387.5 1613.0,1387.6 1613.0,25.6 1510.4,85.9 1452.6,0.0 427.6,0.0 428.2,204.4 0.0,196.7 0.0,963.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431901:03543_1901-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[171.0,297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8115137,43.2355471]}},{"type":"Feature","properties":{"resourceCoords":[869.0,1247.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8090961,43.2344816]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431901:03543_1901-0001__4/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 | 1901 | sanborn03543_003 p1 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4330.4"},{"label":"split_canvas_y","value":"5550.0"},{"label":"split_canvas_w","value":"2121.6"},{"label":"split_canvas_h","value":"2102.0"}],"created":"2026-09-22T02:05:09Z","modified":"2026-09-22T02:05:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431901:03543_1901-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431901:03543_1901-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1558.6,1784.1 1613.0,1831.4 1613.0,1387.6 1271.2,1387.5 1082.6,1603.2 1085.0,1771.5 1362.7,1913.0 1550.8,1913.0 1558.6,1784.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035431901:03543_1901-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1082.6,1387.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.80897599492934,43.237992108140965]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1387.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.80791542558198,43.23748039540546]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.8086133684483,43.23671738955104]}},{"type":"Feature","properties":{"resourceCoords":[1082.6,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.80967393779567,43.23722910228654]}},{"type":"Feature","properties":{"resourceCoords":[1545.1,2005.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8088726,43.236648]}}]}}]}