{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03582_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cambridge, Maryland | 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":"22"},{"label":"placed","value":"13"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef 7, georef-snap 6"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 16 panels"},{"label":"unplaced pages","value":"p10__2 (tier 2, 38.56558,-76.07815 +/-100m); p11__2 (tier 2, 38.56788,-76.07499 +/-100m); p12__2 (tier 1, 38.56813,-76.07257 +/-100m); p1__1 (tier 1, 38.56796,-76.07670 +/-193m); p1__3 (tier 1, 38.56818,-76.07527 +/-135m); p2__2 (tier 1, 38.57480,-76.07317 +/-100m); p2__3 (tier 1, 38.57153,-76.07579 +/-116m); p7__2 (tier 1, 38.57189,-76.08552 +/-100m); p8__2 (tier 1, 38.56709,-76.08271 +/-146m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, Maryland | 1901 | sanborn03582_004 p10 [1]","metadata":[{"label":"streets","value":"9"},{"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":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0010__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,462.5 253.7,484.9 250.3,840.1 -0.0,840.2 -0.0,7652.0 1580.0,7652.0 1580.0,5862.0 2895.2,5862.4 2903.2,7652.0 4564.0,7652.0 5696.0,7652.0 6452.0,7652.0 6452.0,462.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4340.0,5924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.078559,38.56327]}},{"type":"Feature","properties":{"resourceCoords":[4340.0,464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.078094,38.565677]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, Maryland | 1901 | sanborn03582_004 p11 [1]","metadata":[{"label":"streets","value":"5"},{"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":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0011__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,5735.2 5160.4,5740.4 5159.2,3537.2 6452.0,3539.2 6452.0,1063.8 3886.9,1020.4 3903.2,502.0 639.1,439.3 533.2,6427.8 2357.8,6441.1 2639.7,6449.4 2626.5,7652.0 4636.0,7652.0 5772.0,7652.0 6452.0,7652.0 6452.0,5735.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3840.0,4464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0760677,38.5663414]}},{"type":"Feature","properties":{"resourceCoords":[564.0,4464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0779211,38.5665443]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, Maryland | 1901 | sanborn03582_004 p12 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0012__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2962.1,5992.3 6452.0,5995.3 6452.0,0.0 1533.6,0.0 1415.6,2640.8 0.0,2645.2 0.0,5179.2 -0.0,7652.0 1158.5,7652.0 1146.4,6828.5 2962.1,5992.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4764.0,3608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.070121,38.571346]}},{"type":"Feature","properties":{"resourceCoords":[4764.0,5992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.070655,38.570285]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, Maryland | 1901 | sanborn03582_004 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,7652.0 0.0,1015.6 1520.5,698.5 1373.4,0.0 5153.5,0.0 6019.7,1946.8 5977.8,5663.2 6452.0,5670.2 6452.0,7652.0 0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07394856967753,38.56837049453192]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07263620621123,38.57109494726584]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.06853247421361,38.56986944075059]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.06984483767991,38.567144988016665]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, Maryland | 1901 | sanborn03582_004 p1 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3508.0"},{"label":"split_canvas_w","value":"3050.4"},{"label":"split_canvas_h","value":"4144.0"}],"created":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0001__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,7652.0 3024.4,7652.0 3050.3,3568.2 0.0,3580.3 0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[531.7,5360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0747435,38.5679712]}},{"type":"Feature","properties":{"resourceCoords":[531.7,3588.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0757183,38.5680911]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, Maryland | 1901 | sanborn03582_004 p2 [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":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3046.5,7233.1 3746.4,7336.3 4222.4,7652.0 4732.0,7652.0 5692.5,7652.0 6320.8,6547.4 6452.0,6976.8 6452.0,6393.4 5561.9,4447.3 3939.2,4454.0 3963.2,2418.8 4522.6,2175.1 3527.7,-0.0 3029.6,0.0 3010.0,1164.8 1909.2,1170.4 1906.0,0.0 570.8,-0.0 600.9,7314.8 3046.5,7233.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[580.0,1276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0739727,38.57391]}},{"type":"Feature","properties":{"resourceCoords":[580.0,5908.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0758923,38.5724255]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, Maryland | 1901 | sanborn03582_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,995.0 6452.0,4086.4 5146.7,4551.7 5940.3,6737.1 3351.1,7652.0 2963.3,7652.0 1885.0,4611.9 104.3,2615.2 927.1,118.3 3219.5,721.3 3839.7,1011.1 4191.8,1435.6 5500.2,1826.9 6452.0,995.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07692167361819,38.572225804305425]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07352059327177,38.57077202943634]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07571038031847,38.56759608151995]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07911146066489,38.569049856389036]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, Maryland | 1901 | sanborn03582_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7363.5 -0.0,-0.0 6034.1,0.0 6175.9,7481.9 -0.0,7363.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.08208435530375,38.5723733531488]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07944192099419,38.574470107266826]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07628353137831,38.57200266382628]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07892596568787,38.569905909708254]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, Maryland | 1901 | sanborn03582_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2463.5 751.2,2451.0 582.6,300.1 -0.0,345.8 -0.0,-0.0 6452.0,-0.0 6452.0,164.1 6040.5,157.9 5915.5,7341.1 -0.0,7403.6 -0.0,2463.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07593862698752,38.576338698123074]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.0732070838674,38.57424025297489]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07636810057889,38.571689666245966]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07909964369901,38.57378811139415]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, Maryland | 1901 | sanborn03582_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2231.0,6523.4 -0.0,6521.5 -0.0,0.0 6452.0,-0.0 6452.0,2196.6 5688.6,2149.4 5297.8,7133.5 2218.2,6993.3 2231.0,6523.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07869540576604,38.577938852525556]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07581597870755,38.57604917746618]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07866257819661,38.573360565972955]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.0815420052551,38.57525024103233]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, Maryland | 1901 | sanborn03582_004 p7 [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":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0007__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5899.9,6950.7 5971.2,5300.8 6452.0,5310.4 6452.0,0.0 1572.0,0.0 1543.2,2785.2 0.0,2751.6 -0.0,6480.7 5899.9,6950.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5892.0,7136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.079536,38.574279]}},{"type":"Feature","properties":{"resourceCoords":[2396.0,1628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.083221,38.574665]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_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":"Cambridge, Maryland | 1901 | sanborn03582_004 p8 [1]","metadata":[{"label":"streets","value":"7"},{"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":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0008__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3678.6,4082.2 4850.4,2437.5 4534.4,2226.0 3792.4,1671.6 1822.4,0.0 130.4,0.0 0.0,168.3 0.0,1396.5 519.5,1792.2 555.3,7118.6 3937.7,7081.5 6425.8,6043.7 3710.0,4106.0 3678.6,4082.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[552.0,3216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0798655,38.568621]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,6044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.0776151,38.5711169]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, Maryland | 1901 | sanborn03582_004 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:30:17Z","modified":"2026-09-23T10:30:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"342.2,3353.1 0.0,3349.0 -0.0,-0.0 6452.0,0.0 6452.0,118.2 5831.7,107.0 5696.9,276.1 5676.9,1527.3 6196.5,1940.0 6146.2,7366.8 360.9,7314.5 342.2,3353.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844cm:g3844cm_g035821901:03582_1901-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.08237663736678,38.56601323266736]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.08181496541745,38.5689659049475]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07736759170989,38.56844139278509]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.07792926365921,38.56548872050495]}}]}}]}