{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03720_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"East Pepperell, Massachusetts | 1897 | 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":"10"},{"label":"placed","value":"3"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 42.66538,-71.57314 +/-155m); p1__2 (tier 1, 42.66472,-71.57964 +/-119m); p1__3 (tier 1, 42.36664,-71.24219 +/-193m); p3__2 (tier 1, 42.67089,-71.58273 +/-100m); p3__3 (tier 1, 42.66834,-71.58488 +/-100m); p4__2 (tier 1, 42.48811,-71.12690 +/-120m); p4__3 (tier 1, 42.66532,-71.57721 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764em:g037201897:03720_1897-0002/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 | 1897 | sanborn03720_002 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T03:41:03Z","modified":"2026-09-23T03:41:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764em:g037201897:03720_1897-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764em:g037201897:03720_1897-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 6452.0,7652.0 -0.0,7652.0 -0.0,1569.2 623.3,1436.1 701.7,0.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764em:g037201897:03720_1897-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.5744161077031,42.66718363335415]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.57110549602912,42.66887634127443]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.56839444175328,42.66596888453576]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.57170505342727,42.66427617661548]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764em:g037201897:03720_1897-0003__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 | 1897 | sanborn03720_002 p3 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"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":"2026-09-23T03:41:03Z","modified":"2026-09-23T03:41:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764em:g037201897:03720_1897-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764em:g037201897:03720_1897-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"926.7,7242.4 907.9,7652.0 2744.0,7652.0 3851.6,7652.0 4192.0,7652.0 4191.6,5168.4 6452.0,5168.0 6452.0,3547.7 5909.1,2924.3 6285.3,2419.5 5575.1,1508.2 3226.4,1505.6 3047.2,0.0 -0.0,-0.0 -0.0,3693.6 529.5,3717.9 412.2,7301.4 926.7,7242.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764em:g037201897:03720_1897-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[460.0,5900.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5774992,42.6654971]}},{"type":"Feature","properties":{"resourceCoords":[6284.0,2420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5735875,42.6668015]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764em:g037201897:03720_1897-0004__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 | 1897 | sanborn03720_002 p4 [1]","metadata":[{"label":"streets","value":"7"},{"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":"2026-09-23T03:41:03Z","modified":"2026-09-23T03:41:03Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764em:g037201897:03720_1897-0004__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764em:g037201897:03720_1897-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,3546.8 2493.2,3552.0 2576.4,7430.4 2577.2,7652.0 6452.0,7652.0 6452.0,6590.4 4364.0,6584.4 4376.0,5131.6 6452.0,5155.2 6452.0,-0.0 3465.6,-0.0 3547.2,505.8 -0.0,552.1 0.0,3546.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764em:g037201897:03720_1897-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3472.0,4236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5799751,42.6651646]}},{"type":"Feature","properties":{"resourceCoords":[2160.0,524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5774992,42.6654971]}}]}}]}