{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03720_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"East Pepperell, Massachusetts | 1892 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"6"},{"label":"placed","value":"3"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p3__2 (tier 4, 42.66594,-71.57637 +/-285m); p3__3 (tier 4, 42.66594,-71.57637 +/-285m); p3__4 (tier 4, 42.66594,-71.57637 +/-285m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764em:g037201892:03720_1892-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Pepperell, Massachusetts | 1892 | sanborn03720_001 p1","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-23T03:52:49Z","modified":"2026-09-23T03:52:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764em:g037201892:03720_1892-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764em:g037201892:03720_1892-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 214.4,1913.0 -0.0,1493.8 -0.0,-0.0 1613.0,0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764em:g037201892:03720_1892-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[849.0,1048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5729588,42.6660768]}},{"type":"Feature","properties":{"resourceCoords":[1395.0,1256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.572162,42.665192]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764em:g037201892:03720_1892-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Pepperell, Massachusetts | 1892 | sanborn03720_001 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-23T03:52:49Z","modified":"2026-09-23T03:52:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764em:g037201892:03720_1892-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764em:g037201892:03720_1892-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"886.4,120.0 867.3,-0.0 1613.0,-0.0 1613.0,1913.0 -0.0,1913.0 -0.0,137.6 886.4,120.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764em:g037201892:03720_1892-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[535.0,127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5774992,42.6654971]}},{"type":"Feature","properties":{"resourceCoords":[871.0,1878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5819967,42.6654201]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764em:g037201892:03720_1892-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"East Pepperell, Massachusetts | 1892 | sanborn03720_001 p3 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4078.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T03:52:49Z","modified":"2026-09-23T03:52:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764em:g037201892:03720_1892-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764em:g037201892:03720_1892-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"276.3,1841.3 1019.6,1381.2 1019.6,1275.1 912.8,1274.8 911.6,908.2 863.6,908.4 861.0,0.0 0.0,0.0 -0.0,896.7 161.0,899.9 161.0,1066.8 160.9,1476.5 160.9,1855.2 276.3,1841.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764em:g037201892:03720_1892-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[160.9,1476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5774992,42.6654971]}},{"type":"Feature","properties":{"resourceCoords":[160.9,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5776287,42.6648499]}}]}}]}