{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03716_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Dedham, Massachusetts | 1917 | 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":"28"},{"label":"placed","value":"19"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef 12, georef-snap 6, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 21 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 42.20652,-71.18521 +/-129m); p13__2 (tier 1, 42.24351,-71.15273 +/-117m); p14__1 (tier 1, 42.23748,-71.15877 +/-100m); p14__4 (tier 1, 42.24004,-71.15487 +/-100m); p15__3 (tier 1, 42.24188,-71.14723 +/-133m); p5__2 (tier 1, 42.25040,-71.16997 +/-100m); p6__2 (tier 1, 42.25455,-71.16651 +/-100m); p7__1 (tier 1, 42.24239,-71.17781 +/-110m); p9__3 (tier 1, 42.24823,-71.15993 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 6452.0,6099.2 5595.8,6599.2 5935.3,7199.7 5195.4,7652.0 3390.2,7652.0 3289.0,7472.3 2966.1,7652.0 -0.0,7652.0 -0.0,-0.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15768501062733,42.24873880663744]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15378882826893,42.24940014285721]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15273669348733,42.24595544280488]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15663287584573,42.245294106585106]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3349.9 6452.0,7652.0 5043.0,7652.0 5099.5,7410.1 606.3,6361.5 -0.0,5979.6 -0.0,3244.5 205.1,3205.9 -0.0,2936.8 -0.0,1157.5 427.8,1261.4 2636.3,736.6 2781.5,1033.7 4842.7,0.0 5779.2,0.0 4076.1,2941.9 4110.3,3103.1 6452.0,3349.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15862777476707,42.25144103525789]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15504241000275,42.25274250011877]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15297177833946,42.24957275641857]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15655714310378,42.24827129155769]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6278.1,7652.0 -0.0,7652.0 -0.0,0.0 5845.4,-0.0 6256.3,1988.4 6452.0,5272.6 6452.0,6461.0 6096.3,7212.2 6278.1,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15597343632753,42.25729302974596]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15184355319724,42.25216971866135]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15999504478827,42.248518712136224]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16412492791856,42.253642023220834]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p13 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"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":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0013__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2512.0,684.0 1652.4,701.3 619.1,0.0 -0.0,-0.0 -0.0,7652.0 6452.0,7652.0 6452.0,2674.4 5727.6,2678.8 3377.6,2698.4 3370.4,0.0 2525.8,0.0 2512.0,684.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15455041977822,42.245537628855686]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15160782097074,42.24759139776116]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1483203892455,42.24500564443396]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15126298805298,42.24295187552848]}},{"type":"Feature","properties":{"resourceCoords":[2512.0,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1531109,42.2461061]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p14 [2]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"25"},{"label":"split_canvas_x","value":"1734.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4718.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0014__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2988.0,7652.0 4469.4,7652.0 4848.4,7652.0 4859.6,6817.2 6452.0,6817.6 6452.0,5880.9 6358.1,5535.1 6452.0,5573.8 6397.9,204.5 6452.0,203.3 6452.0,0.0 1914.8,0.0 1925.2,3330.8 1744.8,3330.4 1734.0,6147.2 2158.0,6156.8 2178.0,7652.0 2988.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3241.4,5436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.153104,42.239972]}},{"type":"Feature","properties":{"resourceCoords":[3753.1,6976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15134,42.23923]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0014__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p14 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3326.0"},{"label":"split_canvas_w","value":"2178.0"},{"label":"split_canvas_h","value":"4326.0"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0014__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1864.0,7652.0 2178.0,7652.0 2158.0,6156.8 1734.0,6147.2 1744.8,3330.4 0.0,3326.0 0.0,7652.0 1864.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0014__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,3326.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1613547000215,42.23906788285087]}},{"type":"Feature","properties":{"resourceCoords":[2178.0,3326.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15898176468141,42.24002596042014]}},{"type":"Feature","properties":{"resourceCoords":[2178.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15643063267494,42.23651346988739]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.15880356801503,42.23555539231812]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0015__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p15 [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":"6452.0"},{"label":"split_canvas_h","value":"4654.0"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0015__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"61.6,2760.8 1662.0,2761.2 1698.8,4654.0 4958.0,4584.0 4941.2,1861.2 5529.6,1199.6 6452.0,1199.6 6452.0,0.0 5903.6,0.0 5498.0,914.5 1544.0,79.7 61.6,2760.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0015__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4316.0,4073.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.151022,42.2513362]}},{"type":"Feature","properties":{"resourceCoords":[4316.0,720.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1527765,42.2522539]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0015__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p15 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4941.2"},{"label":"split_canvas_y","value":"1199.6"},{"label":"split_canvas_w","value":"1510.8"},{"label":"split_canvas_h","value":"3384.4"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0015__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,1199.6 5529.6,1199.6 4941.2,1861.2 4958.0,4584.0 6452.0,4556.4 6452.0,1199.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4941.2,1199.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17647971725121,42.267950690317804]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,1199.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17555923072257,42.26778470035268]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,4584.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1760612241249,42.26625648526738]}},{"type":"Feature","properties":{"resourceCoords":[4941.2,4584.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17698171065354,42.2664224752325]}},{"type":"Feature","properties":{"resourceCoords":[5472.8,4276.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1766122,42.266503]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0015__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p15 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"1698.8"},{"label":"split_canvas_y","value":"4556.4"},{"label":"split_canvas_w","value":"4753.2"},{"label":"split_canvas_h","value":"3095.6"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0015__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,4556.4 4958.0,4584.0 1704.4,4653.9 1875.4,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0015__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1998.6,4696.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1478299,42.2423084]}},{"type":"Feature","properties":{"resourceCoords":[-579.9,7472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.15012,42.24184]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4148.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3503.2"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 552.0,7652.0 1456.0,7652.0 2829.5,7652.0 2764.7,7136.9 4754.2,6112.7 5304.5,6238.2 5740.5,6209.6 6452.0,7591.0 6452.0,4323.2 0.0,4148.8 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5252.0,5520.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.184846,42.2525886]}},{"type":"Feature","properties":{"resourceCoords":[536.0,5804.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1891461,42.2495355]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p2 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"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":"4323.2"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5926.2,4011.5 5979.6,3234.2 6199.2,3234.6 6183.9,1137.3 6452.0,1126.9 6452.0,0.0 5089.6,0.0 4713.2,0.0 542.7,0.0 366.9,404.4 -0.0,840.0 -0.0,3098.0 492.2,3277.8 81.1,4151.0 6452.0,4323.2 6452.0,4244.4 6452.0,4050.5 5926.2,4011.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[304.0,495.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1843285,42.252053]}},{"type":"Feature","properties":{"resourceCoords":[6192.0,2439.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1784523,42.2483145]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6149.8,4549.3 4070.7,6882.1 3313.9,7426.9 3437.1,7651.7 -0.0,7652.0 -0.0,6092.1 440.5,6060.5 121.1,1875.2 657.4,1814.7 532.3,0.0 6452.0,0.0 6369.4,1597.8 4887.4,3503.6 6149.8,4549.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17738969184674,42.25023232412605]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17380612658376,42.248900902535446]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.175924335695,42.24573262449724]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17950790095799,42.24706404608785]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6911.4 -0.0,6572.0 1002.3,4713.2 1022.7,4335.9 820.8,3128.3 -0.0,3265.6 -0.0,0.0 3530.0,0.0 6034.6,359.9 6452.0,728.1 6452.0,5844.8 5248.6,5031.4 3333.4,7652.0 3162.5,7652.0 2526.3,5745.0 1322.8,7652.0 -0.0,6911.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.1730755790699,42.250299178403424]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16982609685995,42.248540394962085]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.172624209064,42.24566748105644]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17587369127395,42.247426264497776]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p5 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"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":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"728.7,7652.0 3808.0,7652.0 4080.1,7652.0 3718.9,7416.4 3819.1,7332.9 3575.2,7316.5 4344.9,6690.9 4581.9,7057.4 6452.0,7339.3 6452.0,1862.4 3992.8,1918.4 4266.4,0.0 -0.0,-0.0 -0.0,6960.2 728.7,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2056.0,-204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1675892,42.2518383]}},{"type":"Feature","properties":{"resourceCoords":[4344.0,6692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1696189,42.2487559]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p6 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"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":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0006__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1770.1,7292.1 1656.8,7652.0 4028.0,7652.0 5176.0,7652.0 6452.0,7652.0 6452.0,3809.4 6206.0,3977.6 6206.2,2505.1 2730.0,2386.0 4073.1,633.0 353.9,766.8 363.3,3787.3 475.9,4058.5 275.5,4201.0 384.9,6819.6 296.2,7113.1 -0.0,7398.0 -0.0,7652.0 1348.6,7652.0 1770.1,7292.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[356.0,7044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1747199,42.2441194]}},{"type":"Feature","properties":{"resourceCoords":[2728.0,2384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1743169,42.2464911]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p7 [2]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"20"},{"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":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0007__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3344.7 6306.9,3576.7 5671.7,3776.6 5634.1,3657.0 5731.3,3478.9 5729.6,3327.5 5290.0,2110.6 5363.2,2013.7 5270.0,1902.7 4817.9,481.6 4009.6,746.4 3550.4,802.4 3549.7,930.4 2517.5,357.7 2403.4,604.9 1092.7,0.0 -0.0,-0.0 0.0,4039.2 1364.8,4268.4 2215.2,6104.4 2212.8,7652.0 6452.0,7652.0 6452.0,3344.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5624.0,3020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1749,42.2445]}},{"type":"Feature","properties":{"resourceCoords":[3212.0,5056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1778076,42.2425249]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,563.4 62.0,582.2 -0.0,473.3 486.4,627.3 396.1,831.2 804.2,1709.7 3428.0,0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0 -0.0,563.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.17037391412588,42.24922587385357]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16256442806326,42.25050032091181]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16053691319493,42.243595675013005]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16834639925754,42.24232122795476]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p9 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"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":"5153.2"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0009__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"357.5,2312.5 857.5,2340.3 917.4,3094.0 -0.0,3166.9 0.0,4443.2 2331.6,4444.0 2327.6,3126.4 4042.4,3106.8 4274.8,3508.4 4273.2,5150.0 6292.6,5153.0 4779.4,566.9 6452.0,0.0 2506.2,0.0 2135.2,305.2 1552.1,309.9 1083.2,1096.1 276.8,0.0 -0.0,-0.0 -0.0,1185.4 761.0,1125.0 796.9,1576.1 357.5,2312.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3688.0,2312.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1585002,42.2479547]}},{"type":"Feature","properties":{"resourceCoords":[356.0,2312.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1606512,42.2481087]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dedham, Massachusetts | 1917 | sanborn03716_006 p9 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2327.6"},{"label":"split_canvas_y","value":"3106.8"},{"label":"split_canvas_w","value":"1947.2"},{"label":"split_canvas_h","value":"2043.2"}],"created":"2026-09-22T14:36:20Z","modified":"2026-09-22T14:36:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0009__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4274.7,3584.4 4274.8,3508.4 4042.4,3106.8 2327.6,3126.4 2331.6,4444.0 2333.6,5146.4 4273.2,5150.0 4274.0,4367.8 3761.9,4298.3 4274.7,3584.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037161917:03716_1917-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[2327.6,3106.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16153914091879,42.24867345815674]}},{"type":"Feature","properties":{"resourceCoords":[4274.8,3106.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16031627891047,42.24865788337234]}},{"type":"Feature","properties":{"resourceCoords":[4274.8,5150.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16033829031151,42.24770912861703]}},{"type":"Feature","properties":{"resourceCoords":[2327.6,5150.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.16156115231983,42.24772470340143]}},{"type":"Feature","properties":{"resourceCoords":[3760.1,4298.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1606512,42.2481087]}}]}}]}