{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03458_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Dover, Maine | 1884 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"3"},{"label":"placed","value":"1"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 45.18429,-69.23137 +/-100m); p1__3 (tier 4, 45.18429,-69.23137 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034581884:03458_1884-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dover, Maine | 1884 | sanborn03458_001 p1 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"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":"2026-09-21T13:24:35Z","modified":"2026-09-21T13:24:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034581884:03458_1884-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034581884:03458_1884-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"832.0,1913.0 1613.0,1913.0 1613.0,0.0 496.7,0.0 495.5,589.7 0.0,587.8 0.0,990.3 597.2,991.4 648.9,1459.7 759.6,1521.6 756.5,1913.0 832.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734dm:g3734dm_g034581884:03458_1884-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[922.0,147.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.2323269,45.1845895]}},{"type":"Feature","properties":{"resourceCoords":[1036.0,1281.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.2308935,45.1844115]}}]}}]}