{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05309_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bartlett, New-Hampshire | 1908 | 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":"5"},{"label":"placed","value":"1"},{"label":"unplaced","value":"4"},{"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, 44.07793,-71.28496 +/-100m); p1__2 (tier 4, 44.07793,-71.28496 +/-100m); p2 (tier 2, 44.07840,-71.28304 +/-100m); p3 (tier 4, 44.07793,-71.28496 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744bm:g3744bm_g053091908:05309_1908-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bartlett, New-Hampshire | 1908 | sanborn05309_002 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.04"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2720.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4932.0"}],"created":"2026-10-19T11:45:55Z","modified":"2026-10-19T11:45:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744bm:g3744bm_g053091908:05309_1908-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744bm:g3744bm_g053091908:05309_1908-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1372.9,1814.2 1545.9,1869.2 1584.2,1546.9 1528.8,1249.5 1568.2,1159.0 1467.1,791.1 1219.0,693.7 1136.9,729.0 1140.4,795.0 942.4,725.9 931.3,745.7 894.6,741.7 635.6,815.0 617.1,882.2 506.3,916.7 306.4,854.4 58.6,887.3 55.3,1790.8 694.3,1887.5 730.8,1912.0 750.5,1912.0 1093.1,1910.7 1157.5,1834.4 1372.9,1814.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744bm:g3744bm_g053091908:05309_1908-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1235.0,1441.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.2837491,44.0778803]}},{"type":"Feature","properties":{"resourceCoords":[289.0,1441.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.2862042,44.0773937]}}]}}]}