{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03728_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Fitchburg, 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":"49"},{"label":"placed","value":"22"},{"label":"unplaced","value":"27"},{"label":"fit sources","value":"georef 16, georef-snap 5, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"12 sheet(s) cut into 38 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 42.57681,-71.84112 +/-216m); p13__2 (tier 2, 42.58703,-71.80654 +/-100m); p16__2 (tier 2, 42.58536,-71.80575 +/-100m); p17__2 (tier 1, 42.57645,-71.79132 +/-100m); p18__1 (tier 1, 42.58699,-71.81650 +/-100m); p18__2 (tier 1, 42.58598,-71.81098 +/-100m); p18__3 (tier 1, 42.58690,-71.81716 +/-100m); p18__4 (tier 1, 42.58672,-71.81041 +/-100m); p19__1 (tier 2, 42.58448,-71.80301 +/-100m); p19__3 (tier 1, 42.58107,-71.82130 +/-100m); p19__4 (tier 1, 42.58035,-71.81834 +/-100m); p20__1 (tier 1, 42.57355,-71.83949 +/-129m); p20__2 (tier 2, 42.58561,-71.80196 +/-100m); p20__3 (tier 1, 42.57414,-71.84061 +/-138m); p20__6 (tier 1, 42.57580,-71.83501 +/-100m); p21__1 (tier 1, 42.57772,-71.83999 +/-117m); p21__3 (tier 2, 42.58688,-71.80165 +/-100m); p21__4 (tier 1, 42.57898,-71.83998 +/-101m); p22__1 (tier 1, 42.57518,-71.84049 +/-100m); p23__1 (tier 1, 42.58108,-71.78279 +/-100m); p23__2 (tier 1, 42.58109,-71.78034 +/-129m); p23__3 (tier 1, 42.58071,-71.78216 +/-100m); p23__4 (tier 1, 42.58107,-71.78307 +/-100m); p23__5 (tier 1, 42.58057,-71.78416 +/-194m); p5__2 (tier 1, 42.58305,-71.80735 +/-100m); p5__3 (tier 1, 42.57059,-71.78524 +/-100m); p6__1 (tier 1, 42.58257,-71.79739 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p10","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,0.0 796.8,0.0 741.6,406.0 1504.3,514.7 5062.1,415.6 5486.0,1162.8 6452.0,1220.1 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1444.0,1772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.800687,42.5800425]}},{"type":"Feature","properties":{"resourceCoords":[2892.0,6924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8013799,42.5776382]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p11","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2265.1,1149.3 2835.4,0.0 5279.9,0.0 6452.0,6504.8 6452.0,7652.0 513.7,7652.0 0.0,7041.9 0.0,251.7 2265.1,1149.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5764.0,3004.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7934936,42.5818002]}},{"type":"Feature","properties":{"resourceCoords":[5584.0,1576.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7944264,42.5818797]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1284.7,1574.3 -0.0,1183.0 -0.0,-0.0 1918.0,0.0 1874.2,1699.7 5468.8,1783.6 6320.1,6800.2 844.7,7230.1 805.1,7652.0 -0.0,7380.2 262.7,7275.1 1284.7,1574.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.79531860353629,42.585328430947186]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.79128570669201,42.584879149149394]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.79200431874803,42.58133262726789]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.7960372155923,42.58178190906568]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p13 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"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":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0013__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 568.0,7652.0 1716.0,7652.0 3630.1,7652.0 3569.6,7341.3 3720.8,7187.0 6000.0,7188.0 6000.0,3464.0 6178.3,0.0 3224.0,0.0 3231.2,1972.8 0.0,2694.4 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6000.0,3464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.790153,42.585834]}},{"type":"Feature","properties":{"resourceCoords":[6000.0,7188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7905559,42.5841429]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p14","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 3508.2,7652.0 3528.3,6950.5 3530.7,6831.9 2079.2,6821.5 2077.0,7169.7 492.0,7124.0 497.8,3399.7 677.7,0.0 6452.0,0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2084.0,3388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7891732,42.5857141]}},{"type":"Feature","properties":{"resourceCoords":[492.0,7124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7905559,42.5841429]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0015/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"956.0,2424.9 759.7,1134.4 6077.4,120.6 6113.9,4016.1 6452.0,4016.6 6452.0,5435.3 5655.6,5417.1 5792.8,7652.0 0.0,7652.0 0.0,3532.2 884.4,3589.4 956.0,2424.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.79280803242158,42.58147686873414]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.7920763687145,42.584492724839976]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.78725265390122,42.58384929423977]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.78798431760829,42.580833438133936]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p16 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"26"},{"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":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0016__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 474.8,7652.0 504.2,7348.3 1790.1,7396.5 1786.3,7168.5 4538.8,7221.0 4584.7,6947.0 6370.4,6990.7 6354.2,7652.0 6452.0,7652.0 6452.0,2556.4 5042.3,2532.9 4333.4,3343.3 3541.6,3328.3 -0.0,230.3 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1792.0,5788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7921107,42.5772077]}},{"type":"Feature","properties":{"resourceCoords":[3236.0,7192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.790847,42.576926]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p17 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"},{"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":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0017__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0017/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2464.0,7652.0 3612.0,7652.0 3971.2,7652.0 3967.2,5324.0 6452.0,5314.4 6452.0,0.0 4612.0,0.0 4571.6,283.2 1735.8,298.6 1745.5,533.3 420.0,516.0 397.5,829.5 -0.0,839.2 -0.0,7652.0 2464.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3260.0,2288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.790271,42.576088]}},{"type":"Feature","properties":{"resourceCoords":[420.0,516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.792392,42.576252]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0019__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p19 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"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":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0019__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0019/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4836.0,7652.0 5988.0,7652.0 6452.0,7652.0 6452.0,0.0 5813.2,0.0 5338.0,0.0 3173.6,0.0 3244.8,1070.0 0.0,1040.8 0.0,3127.2 2168.8,3136.4 2165.2,5636.8 2917.6,5642.0 2922.8,7652.0 4836.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4012.0,2596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.820095,42.579706]}},{"type":"Feature","properties":{"resourceCoords":[4012.0,4040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8199609,42.5790587]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 6452.0,0.0 6452.0,7652.0 0.0,7652.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4936.0,2920.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.809173,42.5886884]}},{"type":"Feature","properties":{"resourceCoords":[4936.0,4460.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8082173,42.588458]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0020__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p20 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3260.4"},{"label":"split_canvas_y","value":"3715.6"},{"label":"split_canvas_w","value":"1800.4"},{"label":"split_canvas_h","value":"1306.0"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0020__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3260.4,5021.6 5060.8,5019.6 5060.4,3716.8 3272.8,3715.6 3260.4,5021.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0020__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3260.4,3715.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.8297430932043,42.57980996346746]}},{"type":"Feature","properties":{"resourceCoords":[5060.8,3715.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.8286806167772,42.58009950594869]}},{"type":"Feature","properties":{"resourceCoords":[5060.8,5021.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.82839688225738,42.57952698695871]}},{"type":"Feature","properties":{"resourceCoords":[3260.4,5021.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.82945935868447,42.579237444477485]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0020__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p20 [5]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"5060.4"},{"label":"split_canvas_y","value":"3716.8"},{"label":"split_canvas_w","value":"1391.6"},{"label":"split_canvas_h","value":"3935.2"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0020__5/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,3717.6 5060.4,3716.8 5060.8,5019.6 5062.0,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0020__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[5060.4,3716.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.83406483224249,42.57716829089258]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,3716.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.83325531118777,42.57694853554555]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.83409321385724,42.57525105136864]}},{"type":"Feature","properties":{"resourceCoords":[5060.4,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.83490273491196,42.57547080671567]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0021__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p21 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3232.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3219.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0021__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0021/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3266.0,0.0 3232.8,2562.8 3551.2,2764.4 4374.4,3284.8 4614.4,4089.6 4154.0,5998.0 3803.2,7652.0 6452.0,7652.0 6452.0,0.0 3266.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3232.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.8421276313663,42.578946032916996]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.84012816983062,42.579233856272545]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.83920318053025,42.57572035143297]}},{"type":"Feature","properties":{"resourceCoords":[3232.8,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.84120264206592,42.57543252807742]}},{"type":"Feature","properties":{"resourceCoords":[4576.5,2796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8409551,42.5777824]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0022__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p22 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"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":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0022__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0022/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4978.8,0.0 4638.0,0.0 -0.0,-0.0 0.0,4840.0 0.0,6094.4 2192.8,6116.0 2161.6,7652.0 6452.0,7652.0 6452.0,-0.0 4978.8,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0022__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2880.0,4688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.840288,42.574105]}},{"type":"Feature","properties":{"resourceCoords":[4756.0,1784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.838341,42.573509]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"18"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5399.3,4746.7 5054.4,7652.0 412.6,7652.0 2280.5,6785.5 97.4,2079.2 236.7,2005.2 -0.0,1786.4 -0.0,-0.0 6452.0,-0.0 6452.0,1038.1 5221.8,4335.2 5081.1,4486.4 4611.6,4519.2 5399.3,4746.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2828.0,3172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8054172,42.5867825]}},{"type":"Feature","properties":{"resourceCoords":[5216.0,4068.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8046969,42.5857154]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"654.0,3322.7 1246.2,3373.3 2547.8,1533.9 3677.7,257.0 4113.8,372.2 5892.0,264.0 5916.5,5238.3 6266.1,7652.0 -0.0,7652.0 -0.0,7031.4 343.1,6012.3 1342.7,3768.0 654.0,3322.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3056.0,4404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8041073,42.5848021]}},{"type":"Feature","properties":{"resourceCoords":[5892.0,264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8013297,42.5859529]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p5 [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":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,7652.0 2036.0,7652.0 3188.0,7652.0 3680.0,7652.0 3683.6,6142.0 4066.7,6146.0 4030.8,4924.9 5228.4,5062.0 5275.2,4888.5 4960.4,4889.6 4666.4,4890.8 4666.8,4736.8 4670.0,3490.0 5001.6,2600.4 5893.1,2597.0 6428.7,610.4 6323.3,0.0 0.0,-0.0 0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1768.0,4332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8077743,42.5832611]}},{"type":"Feature","properties":{"resourceCoords":[932.0,4332.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8080247,42.5829132]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p6 [2]","metadata":[{"label":"streets","value":"8"},{"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":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0006__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6249.4,225.7 4760.0,0.0 0.0,-0.0 0.0,5840.4 510.7,5825.5 1233.5,5640.3 4743.0,6742.0 4740.0,7465.2 6194.0,6661.7 6184.8,2666.8 5630.0,2663.7 5777.8,1619.1 6182.4,1620.3 6249.4,225.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4740.0,2664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8010996,42.5834654]}},{"type":"Feature","properties":{"resourceCoords":[4740.0,7464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7981853,42.5827683]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p7 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3449.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4202.8"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0007__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,6495.2 4161.6,3531.7 204.0,4002.6 226.5,7385.1 1592.1,7258.4 1646.7,7652.0 2682.9,7652.0 2622.4,7203.8 6452.0,6495.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4368.0,4864.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7991449,42.5847063]}},{"type":"Feature","properties":{"resourceCoords":[204.0,4001.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8013297,42.5859529]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p7 [2]","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":"3457.6"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0007__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3261.9 6452.0,0.0 5364.4,0.0 5062.4,0.0 0.0,-0.0 -0.0,2271.0 330.5,2400.3 -0.0,3310.6 231.1,3108.1 646.4,3254.2 6359.8,3121.4 6452.0,3261.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1544.0,1244.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.8013477,42.5870111]}},{"type":"Feature","properties":{"resourceCoords":[6028.0,1244.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.7986352,42.5862181]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0008/info.json","type":"ImageService2","height":7916,"width":6696},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"811.9,7519.8 630.8,7293.9 580.2,6199.4 812.7,3309.9 5148.6,0.0 6696.0,0.0 6696.0,6821.0 811.9,7519.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.80024731564835,42.58308453377075]}},{"type":"Feature","properties":{"resourceCoords":[6696.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.79846759013847,42.585853603791556]}},{"type":"Feature","properties":{"resourceCoords":[6696.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.79405268087554,42.58429352740937]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.79583240638541,42.58152445738857]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Fitchburg, Massachusetts | 1892 | sanborn03728_002 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T07:30:28Z","modified":"2026-09-23T07:30:28Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,775.4 -0.0,-0.0 598.9,0.0 819.9,690.8 1908.0,0.0 5706.0,0.0 5930.3,711.4 6209.8,3594.2 6452.0,4340.0 6452.0,5571.8 4604.0,6307.7 4500.9,7652.0 0.0,7652.0 0.0,4776.7 602.8,4310.3 0.0,775.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764fm:g037281892:03728_1892-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.80067838395364,42.580747828109715]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.79835504562458,42.583152702030866]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.79450867610741,42.58110948278308]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.79683201443648,42.578704608861926]}}]}}]}