{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03795_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Milton, Massachusetts | 1923 | 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":"27"},{"label":"placed","value":"20"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 15, georef-snap 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 42.25470,-71.04525 +/-1036m); p11 (tier 1, 42.26061,-71.08918 +/-509m); p14 (tier 2, 42.25576,-71.07412 +/-100m); p16 (tier 2, 42.24233,-71.11126 +/-100m); p19__2 (tier 1, 42.25723,-71.03352 +/-190m); p2__2 (tier 1, 42.24820,-71.05193 +/-154m); p7 (tier 3, 42.25656,-71.06739 +/-1036m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p10 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3357.6"},{"label":"split_canvas_w","value":"3253.2"},{"label":"split_canvas_h","value":"4294.4"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0010__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1469.7,7652.0 1709.1,7462.3 1858.6,7652.0 2795.1,7652.0 3234.6,7156.2 3194.4,6080.8 3170.8,5529.2 2696.4,5313.6 2081.6,4365.6 1026.8,3412.4 0.0,3357.6 -0.0,7652.0 1469.7,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1108.4,6080.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.07199,42.2494063]}},{"type":"Feature","properties":{"resourceCoords":[1108.4,3989.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0736108,42.2508997]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p10 [2]","metadata":[{"label":"streets","value":"12"},{"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":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0010__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,70.5 0.0,3357.6 1026.8,3412.4 2081.6,4365.6 2696.4,5313.6 3170.8,5529.2 3189.9,5975.9 3820.8,6695.2 4304.2,6292.4 5308.4,7652.0 6452.0,7652.0 6452.0,1278.1 6198.8,332.7 3199.5,290.3 3186.3,123.1 0.0,70.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5052.0,5672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0869776,42.2579508]}},{"type":"Feature","properties":{"resourceCoords":[4024.0,6528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0859187,42.2570322]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1030.9,752.5 2462.4,632.2 2421.1,0.0 6452.0,0.0 6452.0,1701.3 6367.9,2245.3 6335.3,7652.0 -0.0,7652.0 -0.0,1155.4 1030.9,752.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08854210194409,42.25597240751202]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08232555186872,42.25946411890989]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07676983963633,42.25396859325631]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08298638971169,42.25047688185844]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p13 [1]","metadata":[{"label":"streets","value":"7"},{"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":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0013__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"512.8,7652.0 3384.0,7652.0 3964.4,7652.0 4156.0,4878.8 5098.0,4357.6 5092.8,3670.4 6452.0,3660.4 6452.0,0.0 3998.6,0.0 2130.4,1282.7 1249.7,0.0 394.3,0.0 436.5,1377.3 513.4,1468.8 439.6,1478.6 376.5,2115.7 512.8,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[452.0,1448.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0811728,42.2583417]}},{"type":"Feature","properties":{"resourceCoords":[2524.0,6596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0754412,42.2555864]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p13 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"3964.4"},{"label":"split_canvas_y","value":"3660.4"},{"label":"split_canvas_w","value":"2487.6"},{"label":"split_canvas_h","value":"3991.6"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0013__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4556.0,7652.0 6452.0,7652.0 6452.0,3660.4 5361.2,3668.4 5287.5,4614.3 5156.1,4630.8 4647.2,5040.8 4081.7,5954.4 3964.4,7652.0 4556.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5320.2,4688.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0796279,42.2623721]}},{"type":"Feature","properties":{"resourceCoords":[5320.2,7012.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0806762,42.2602947]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p15","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"6"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0015/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 6452.0,2829.7 6043.2,3238.1 6452.0,3647.3 6452.0,7652.0 -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:g3764mm:g037951923:03795_1923-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4652.0,3748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1031994,42.2481423]}},{"type":"Feature","properties":{"resourceCoords":[128.0,6304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1084725,42.2392353]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p17","metadata":[{"label":"streets","value":"20"},{"label":"intersections","value":"15"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0017/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 6452.0,864.0 5133.1,942.9 4842.5,781.5 4600.5,1059.2 4686.8,3024.3 4913.0,3064.1 4886.6,4716.9 6452.0,4742.3 6452.0,7652.0 -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:g3764mm:g037951923:03795_1923-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[112.0,1612.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0487949,42.2568028]}},{"type":"Feature","properties":{"resourceCoords":[5640.0,4696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0411614,42.2562733]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p18","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0018/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0018/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"292.9,5352.3 442.8,4207.5 -0.0,4109.4 -0.0,169.2 151.4,0.0 6452.0,0.0 6452.0,4794.5 5904.0,5436.0 5735.0,5295.8 3898.7,7652.0 246.5,7466.2 292.9,5352.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3444.0,3264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0413698,42.258338]}},{"type":"Feature","properties":{"resourceCoords":[360.0,7468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0419215,42.2560062]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p19 [1]","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"22"},{"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":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0019__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0019/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 -0.0,-0.0 -0.0,3492.7 710.7,4132.2 766.4,4555.0 656.6,4571.1 941.3,6203.0 866.0,6329.5 730.0,6269.8 2136.6,7652.0 3619.6,7652.0 3609.2,5437.2 6452.0,5424.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[460.0,2888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0390249,42.2594404]}},{"type":"Feature","properties":{"resourceCoords":[3152.0,3040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.03606,42.25842]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0020__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p20 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0020__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3151.2,7652.0 3153.6,5310.8 4182.8,4561.2 6452.0,4562.0 6452.0,1043.6 6452.0,0.0 -0.0,-0.0 -0.0,1123.5 697.3,1655.6 821.1,2358.6 241.5,3089.2 -0.0,3088.9 -0.0,7652.0 3151.2,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0020__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3476.0,2352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0659337,42.2487176]}},{"type":"Feature","properties":{"resourceCoords":[4028.0,1636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0650723,42.2492442]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0020__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p20 [2]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3151.2"},{"label":"split_canvas_y","value":"4561.2"},{"label":"split_canvas_w","value":"3300.8"},{"label":"split_canvas_h","value":"3090.8"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0020__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,4562.0 4182.8,4561.2 3153.6,5310.8 3151.2,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3151.2,4561.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07395576108705,42.23218409976141]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,4561.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07023910708176,42.23102005310302]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07170936795585,42.22844297835949]}},{"type":"Feature","properties":{"resourceCoords":[3151.2,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07542602196114,42.22960702501788]}},{"type":"Feature","properties":{"resourceCoords":[5816.6,4877.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0711048,42.2309808]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p2 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,1667.9 6075.8,1734.3 5875.7,1686.9 5740.9,1550.2 5323.3,1657.5 4459.1,1488.5 2548.2,0.0 -0.0,-0.0 -0.0,5808.9 980.8,5954.5 613.0,7652.0 1185.0,7652.0 1536.0,7222.3 1981.1,6873.1 2030.6,7393.7 2726.6,7320.0 3931.6,6530.2 4228.9,7128.7 4208.4,5529.6 6452.0,5542.8 6452.0,1667.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4624.0,4692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0919557,42.2626792]}},{"type":"Feature","properties":{"resourceCoords":[1980.0,6872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0959896,42.2619881]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5860.2 1064.2,5040.5 808.7,4821.0 701.5,4605.1 726.1,4419.0 390.8,4159.4 -0.0,3388.6 -0.0,-0.0 6452.0,0.0 6452.0,4234.0 4869.3,4314.0 4772.1,6358.0 4772.1,6358.0 4710.6,7652.0 -0.0,7652.0 -0.0,5860.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0922184082191,42.26810211578431]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08508407585309,42.27066788189449]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08100091668581,42.264362152956316]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08813524905182,42.261796386846136]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7539.2 -0.0,1769.8 1575.2,1614.9 1498.4,0.0 6452.0,0.0 6452.0,892.7 5268.4,1607.0 6452.0,1705.1 6452.0,3838.1 5589.7,4479.2 4727.8,6167.8 6452.0,7045.7 6452.0,7652.0 3372.2,7652.0 3517.9,7499.3 2687.5,6714.4 1944.5,7380.4 1832.6,7298.3 1110.2,7242.8 -0.0,7539.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08538359817068,42.26797556266988]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07808485119547,42.27028882088643]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07440355380676,42.263837736480816]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08170230078197,42.26152447826427]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p5 [1]","metadata":[{"label":"streets","value":"14"},{"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":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"249.5,2571.9 710.8,2534.0 1459.7,3778.4 719.5,4426.0 563.6,4956.8 315.7,7175.1 3341.4,6956.7 5718.8,7247.7 6039.4,6813.7 6105.7,6820.0 6021.1,7652.0 6452.0,7652.0 6452.0,2670.0 4666.8,2649.2 3368.4,1384.4 3360.8,0.0 409.3,0.0 1388.5,709.4 249.5,2571.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4108.0,5136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0710051,42.2685214]}},{"type":"Feature","properties":{"resourceCoords":[3044.0,3032.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0738177,42.268844]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p5 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"3360.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3091.2"},{"label":"split_canvas_h","value":"2670.0"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0005__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5194.1,736.7 5086.1,-0.0 3911.2,-0.0 3366.8,1091.4 3368.4,1384.4 4666.8,2649.2 6452.0,2670.0 6452.0,1843.5 5571.4,1152.6 5194.1,736.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3804.7,195.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0761421,42.2671859]}},{"type":"Feature","properties":{"resourceCoords":[2836.9,2174.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.077802,42.2650615]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7046.0 763.2,6464.3 148.6,5656.2 890.2,5664.0 392.6,2707.3 457.7,338.0 -0.0,65.8 -0.0,0.0 6452.0,-0.0 6452.0,7652.0 -0.0,7652.0 -0.0,7046.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0679434662851,42.26909347655446]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0620444228121,42.265236509530816]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06818223439497,42.26002245972533]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07408127786798,42.26387942674897]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,3832.9 0.0,181.7 61.5,0.0 6452.0,0.0 6452.0,1346.7 4746.0,1222.6 4828.7,1781.5 5231.2,2015.2 5702.2,2451.4 5202.5,2571.8 5351.9,3189.0 6318.1,4309.5 5606.9,4801.4 5702.7,4922.6 5331.5,5179.7 5454.9,6013.3 6452.0,6804.7 6452.0,7652.0 5550.4,7652.0 4845.2,6662.5 4092.8,6039.4 1761.5,7652.0 1581.8,7652.0 793.8,6709.8 58.9,3818.3 0.0,3832.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.10241848757747,42.25899380009996]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.09792826523754,42.263820581590025]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0902477435091,42.259851445699404]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.09473796584902,42.25502466420934]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p9 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"15"},{"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":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0009__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 2724.0,7652.0 3896.0,7652.0 4158.4,7652.0 4186.8,5727.6 6452.0,5738.4 6452.0,3526.0 5576.5,3663.1 5136.1,510.6 4076.3,780.7 2782.4,513.8 2241.1,2409.1 387.0,1878.1 894.1,102.7 690.5,0.0 -0.0,-0.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2688.0,2724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0970591,42.2545342]}},{"type":"Feature","properties":{"resourceCoords":[1344.0,5616.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0991848,42.2521183]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Milton, Massachusetts | 1923 | sanborn03795_005 p9 [2]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4158.4"},{"label":"split_canvas_y","value":"5727.6"},{"label":"split_canvas_w","value":"2293.6"},{"label":"split_canvas_h","value":"1924.4"}],"created":"2026-09-23T07:16:09Z","modified":"2026-09-23T07:16:09Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0009__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6131.1,7652.0 6024.4,5921.2 5963.6,5924.6 5999.5,5736.2 4186.8,5727.6 4158.4,7652.0 6131.1,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037951923:03795_1923-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4158.4,5727.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.09969328195801,42.25558631392896]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,5727.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.09854764501148,42.25748258065834]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.09639853258065,42.25676979723377]}},{"type":"Feature","properties":{"resourceCoords":[4158.4,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.09754416952718,42.25487353050439]}},{"type":"Feature","properties":{"resourceCoords":[6024.4,5919.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.098545,42.2570573]}}]}}]}