{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03779_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Marlborough, Massachusetts | 1901 | 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":"21"},{"label":"placed","value":"18"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 14, georef-snap 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p1 (tier 4, 42.34673,-71.55170 +/-1003m); p6__2 (tier 1, 42.34528,-71.55705 +/-100m); p8__2 (tier 1, 42.33986,-71.54155 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4565.5,404.5 6090.9,375.9 5807.6,4671.0 5902.2,7652.0 4528.3,7652.0 3432.1,7345.4 3368.0,7581.5 3236.8,7314.4 3104.0,7305.5 2226.7,7525.5 1706.8,7220.0 0.0,7306.6 0.0,7015.5 3383.3,5959.6 3444.8,3269.3 3230.2,3286.3 3296.5,2581.9 3141.3,2071.6 0.0,3052.0 -0.0,-0.0 3651.1,0.0 3467.2,887.0 4565.5,404.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.5503427311504,42.343632103724296]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.55109996418363,42.34671372353916]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54618969963975,42.347382167376615]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54543246660651,42.34430054756175]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"887.6,0.0 3963.4,0.0 4058.6,845.5 6452.0,626.1 6452.0,7652.0 420.0,7652.0 464.4,3990.4 887.6,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.55046193167134,42.34616490158765]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.55140112185377,42.34917646716075]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54660228432577,42.35000549865006]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54566309414334,42.34699393307696]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"804.8,5083.6 571.0,5005.4 943.3,3919.9 1023.2,2537.2 1714.1,2542.0 1686.5,0.0 2355.3,0.0 2335.9,447.5 4856.1,1083.5 5022.5,0.0 6452.0,0.0 6452.0,2354.1 5168.5,3457.0 5932.0,4136.3 5439.8,5017.9 5694.4,5326.7 6155.1,5503.3 6452.0,5269.2 6452.0,7652.0 1208.8,7652.0 1196.0,6953.4 620.3,6064.4 528.4,5200.1 804.8,5083.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54715659951552,42.348190497107446]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54309971188485,42.34892498816956]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54192934777822,42.345343861317346]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54598623540889,42.344609370255235]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p13 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2723.6"},{"label":"split_canvas_h","value":"3525.2"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,3525.2 2700.8,3522.8 2723.6,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1427.8,1380.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5426277,42.3425532]}},{"type":"Feature","properties":{"resourceCoords":[1427.8,2921.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5426845,42.3418835]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p13 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"2698.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3754.0"},{"label":"split_canvas_h","value":"3938.8"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3503.3,3936.8 4918.4,3933.2 6452.0,3935.6 6452.0,0.0 2723.6,0.0 2700.8,3522.8 2699.3,3744.3 3503.3,3936.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3513.6,2967.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.55682,42.349137]}},{"type":"Feature","properties":{"resourceCoords":[3513.6,1631.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.557403,42.3496]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p13 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3522.8"},{"label":"split_canvas_w","value":"3179.2"},{"label":"split_canvas_h","value":"4129.2"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,7652.0 3179.2,7652.0 3170.4,3937.6 2698.0,3938.8 2698.0,3930.0 2700.8,3522.8 0.0,3525.2 0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1887.5,7332.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.539786,42.3511157]}},{"type":"Feature","properties":{"resourceCoords":[2703.3,3690.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.542158,42.351129]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p13 [4]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"3170.4"},{"label":"split_canvas_y","value":"3933.2"},{"label":"split_canvas_w","value":"3281.6"},{"label":"split_canvas_h","value":"3718.8"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3935.6 4918.4,3933.2 3170.4,3937.6 3175.8,6236.2 3719.2,6151.4 3769.7,6616.2 6452.0,6870.0 6452.0,3935.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0013__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3710.0,5696.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5457053,42.3486678]}},{"type":"Feature","properties":{"resourceCoords":[5352.8,6712.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5446296,42.3482653]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7368.7 0.0,0.0 5148.0,0.0 5729.2,3338.1 5836.5,6961.3 -0.0,7368.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.56577304182635,42.348619776165044]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.56218117910346,42.35002880486848]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.55993594753733,42.34685821814919]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.56352781026021,42.34544918944575]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p3 [1]","metadata":[{"label":"streets","value":"7"},{"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":"7652.0"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,4420.4 6223.4,3479.6 6452.0,3385.6 6452.0,0.0 2922.8,0.0 2926.0,987.2 153.7,932.6 611.9,3713.0 614.0,7244.0 6452.0,7090.2 6452.0,4420.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4948.0,3312.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.559275,42.349674]}},{"type":"Feature","properties":{"resourceCoords":[616.0,7244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5604813,42.34701]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p3 [2]","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":"2926.0"},{"label":"split_canvas_h","value":"987.2"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0003__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"756.1,-0.0 -0.0,467.0 399.4,835.8 2926.0,987.2 2922.8,0.0 756.1,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54546346813243,42.34541908655196]}},{"type":"Feature","properties":{"resourceCoords":[2926.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54498978613019,42.34407753853792]}},{"type":"Feature","properties":{"resourceCoords":[2926.0,987.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54560421178391,42.34395945675093]}},{"type":"Feature","properties":{"resourceCoords":[0.0,987.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54607789378615,42.34530100476498]}},{"type":"Feature","properties":{"resourceCoords":[2681.8,907.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.545594,42.344081]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p4 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5117.6"},{"label":"split_canvas_w","value":"1924.0"},{"label":"split_canvas_h","value":"2534.4"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0004__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"627.4,5147.3 603.1,5254.7 275.8,5119.5 0.0,5117.6 0.0,7652.0 1924.0,7652.0 1916.4,5574.7 627.4,5147.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,5117.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54938207505603,42.345313431585915]}},{"type":"Feature","properties":{"resourceCoords":[1924.0,5117.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54718838402371,42.34615554192062]}},{"type":"Feature","properties":{"resourceCoords":[1924.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54568386833107,42.344022319703335]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54787755936339,42.343180209368626]}},{"type":"Feature","properties":{"resourceCoords":[540.0,7372.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.547427,42.3436507]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p4 [2]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"},{"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":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0004__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5650.7,5899.4 6064.2,1082.8 4344.4,1051.0 4463.7,0.0 -0.0,0.0 0.0,5117.6 1914.8,5130.8 1919.7,6475.6 5650.7,5899.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2360.0,936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5647222,42.3450772]}},{"type":"Feature","properties":{"resourceCoords":[3352.0,6584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5621269,42.3430962]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p5 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"},{"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":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3345.7,216.2 3345.7,487.5 624.0,512.0 882.9,7652.0 5138.8,7652.0 5126.4,4564.0 6452.0,4564.8 6452.0,249.8 3345.7,216.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3368.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.558658,42.3463379]}},{"type":"Feature","properties":{"resourceCoords":[624.0,512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5587898,42.3477608]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p5 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"5126.4"},{"label":"split_canvas_y","value":"4564.0"},{"label":"split_canvas_w","value":"1325.6"},{"label":"split_canvas_h","value":"3088.0"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0005__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6032.2,7652.0 6248.0,7652.0 6452.0,7527.4 6452.0,4564.8 5126.4,4564.0 5133.2,6252.9 5310.2,6398.4 5291.0,7132.4 5334.7,7255.1 5843.2,7175.7 6032.2,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[5126.4,4564.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54150759161564,42.34931662629729]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,4564.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54014550155797,42.34855774545048]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54253736483919,42.34622105331809]}},{"type":"Feature","properties":{"resourceCoords":[5126.4,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.54389945489686,42.3469799341649]}},{"type":"Feature","properties":{"resourceCoords":[5266.1,5964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5424469,42.3481787]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p6 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"},{"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":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0006__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1264.0,3400.3 1182.0,6467.7 -0.0,6448.9 -0.0,7652.0 6452.0,7549.9 6452.0,6794.4 6021.1,6460.2 5769.8,5818.9 5730.3,3840.2 5488.5,1712.2 5710.7,599.6 4438.0,680.6 4337.7,0.0 3851.2,0.0 3841.3,684.6 1014.5,707.5 996.0,3396.0 1264.0,3400.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5744.0,4696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.554868,42.347248]}},{"type":"Feature","properties":{"resourceCoords":[996.0,3396.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5579319,42.3466498]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,2638.1 599.5,2784.0 1277.4,-0.0 6452.0,-0.0 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4216.0,3468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.559688,42.342255]}},{"type":"Feature","properties":{"resourceCoords":[504.0,5040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5620484,42.3430375]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p8 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"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":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0008__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,5615.9 0.0,7590.9 6452.0,7652.0 6452.0,3209.2 4328.4,3212.4 4326.1,165.3 4252.1,0.0 3153.6,0.0 369.0,808.2 520.3,2475.7 487.7,5532.7 0.0,5615.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3756.0,4452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.553302,42.349401]}},{"type":"Feature","properties":{"resourceCoords":[1584.0,504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5553204,42.3477639]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marlborough, Massachusetts | 1901 | sanborn03779_005 p9","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"18"}],"created":"2026-09-23T10:41:14Z","modified":"2026-09-23T10:41:14Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4235.9,672.8 5283.7,206.2 5787.6,1898.7 6390.8,5066.2 5874.2,5253.7 6131.0,6442.0 2983.6,6748.2 3019.0,6392.4 1433.2,6501.6 316.6,7057.5 459.7,6131.2 0.0,6154.2 0.0,-0.0 1925.7,0.0 2873.6,1997.2 3577.8,1702.8 3856.5,1000.0 4235.9,672.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037791901:03779_1901-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5640.0,7336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5504413,42.3478418]}},{"type":"Feature","properties":{"resourceCoords":[1300.0,2952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.552828,42.345573]}}]}}]}