{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03620_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Laurel, Maryland | 1914 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"21"},{"label":"placed","value":"13"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 10, georef-snap 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p10__2 (tier 1, 39.10085,-76.84543 +/-166m); p10__3 (tier 1, 39.10092,-76.84621 +/-151m); p12__1 (tier 1, 39.10667,-76.84926 +/-197m); p12__2 (tier 1, 39.10653,-76.84978 +/-232m); p2__3 (tier 1, 39.10795,-76.86097 +/-169m); p4__1 (tier 1, 39.10542,-76.85081 +/-100m); p4__2 (tier 1, 39.10499,-76.85535 +/-150m); p6__2 (tier 1, 39.10715,-76.84588 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p1","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,-0.0 5352.8,0.0 5094.7,924.1 6452.0,1262.2 6452.0,5862.4 5980.0,6931.6 6452.0,7149.0 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5712.0,7536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8530562,39.1002787]}},{"type":"Feature","properties":{"resourceCoords":[8664.0,792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.85014,39.103092]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p10 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5637.2"}],"created":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0010__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 0.0,2538.0 1272.8,2533.6 1284.4,4781.2 1872.4,5637.2 3855.6,4256.8 5719.8,5068.7 5812.6,4572.1 6072.6,4576.6 6452.0,379.4 274.2,380.1 278.6,0.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2216.0,2520.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8459,39.100335]}},{"type":"Feature","properties":{"resourceCoords":[2216.0,364.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.846872,39.100953]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5541.0 253.3,5500.0 -0.0,3225.3 -0.0,1335.2 4202.2,592.7 4204.6,617.2 5405.0,414.5 5252.9,0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0 -0.0,5541.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.84575434841177,39.10294880682714]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.84285875311652,39.10486658561816]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.83994836530692,39.102182806828026]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.84284396060218,39.10026502803701]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4738.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2226.3,7299.5 2698.8,4610.0 4735.6,3018.0 4735.6,2999.6 4738.0,0.0 -0.0,0.0 0.0,7652.0 1230.1,7652.0 1238.4,7291.7 2226.3,7299.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1387.4,728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.862138,39.10794]}},{"type":"Feature","properties":{"resourceCoords":[1387.4,7288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.858436,39.107075]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p2 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"4735.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1716.4"},{"label":"split_canvas_h","value":"3000.0"}],"created":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5957.5,2218.5 5915.4,2213.9 5923.2,0.0 4738.0,0.0 4735.6,2999.6 4759.2,2999.6 5886.3,2999.9 5957.5,2218.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5913.1,152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.856609,39.10664]}},{"type":"Feature","properties":{"resourceCoords":[5913.1,2852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.855027,39.106381]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"398.3,7652.0 193.5,5488.9 0.0,5509.8 0.0,2510.9 2513.2,2472.7 2542.6,1002.8 3350.6,982.1 3328.0,0.0 6452.0,0.0 6452.0,7652.0 398.3,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[144.0,2504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.858436,39.107075]}},{"type":"Feature","properties":{"resourceCoords":[5688.0,2504.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.857387,39.109569]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0004__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p4 [3]","metadata":[{"label":"streets","value":"5"},{"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":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0004__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,6763.5 4127.8,7346.7 5699.4,7183.7 5968.3,7224.3 5976.3,7467.6 6452.0,7539.5 6452.0,7124.6 5966.0,7156.0 5781.9,2883.9 6180.9,2838.6 6110.0,0.0 5587.2,0.0 5262.4,0.0 3972.3,0.0 4026.0,3015.4 2307.9,3146.5 0.0,4601.2 0.0,6763.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0004__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4024.0,3016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.851237,39.105186]}},{"type":"Feature","properties":{"resourceCoords":[5968.0,7156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.848509,39.104967]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,311.7 6103.7,436.9 6110.8,0.0 6452.0,0.0 6452.0,7544.0 1926.3,6496.3 2173.2,5363.5 92.6,4838.3 0.0,5271.6 0.0,311.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85556988680126,39.106504383838846]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8544472887084,39.10937019152495]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85009786270173,39.10832979090685]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8512204607946,39.105463983220744]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p6 [1]","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":"7652.0"}],"created":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0006__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"447.5,1698.9 545.7,5907.0 2802.7,5806.0 2808.0,7416.0 3873.3,7433.6 3879.8,7652.0 6452.0,7652.0 6452.0,4453.2 4341.6,4465.6 4319.6,2826.0 6452.0,2779.6 6452.0,0.0 5662.8,0.0 5337.6,0.0 2807.8,0.0 2807.7,0.0 834.1,0.0 841.0,1662.1 447.5,1698.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2808.0,72.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.850905,39.107269]}},{"type":"Feature","properties":{"resourceCoords":[2808.0,7416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.847025,39.105539]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p7 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3965.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0007__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 3948.0,7652.0 3964.8,212.4 3965.2,0.0 3964.8,0.0 1735.3,0.0 1241.5,227.4 -0.0,247.2 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1208.4,7368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.849082,39.098848]}},{"type":"Feature","properties":{"resourceCoords":[1208.4,228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.852341,39.100964]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p7 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3948.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2504.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0007__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4247.5,7404.0 6132.5,7404.0 6293.1,274.2 5173.6,290.0 5133.8,0.0 3965.2,0.0 3964.8,212.4 3960.0,2319.9 3984.5,7032.3 4253.6,7034.5 4247.5,7404.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4247.5,7404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.847582,39.100269]}},{"type":"Feature","properties":{"resourceCoords":[6132.5,7404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.846872,39.100953]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3765.5,398.7 5573.8,0.0 5858.5,2103.0 5886.3,7576.7 683.0,7583.2 701.1,408.5 3765.5,398.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85059310830025,39.10296331359439]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.84813918731143,39.10526479136937]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.84464646367819,39.10299040448102]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.847100384667,39.100688926706034]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Laurel, Maryland | 1914 | sanborn03620_004 p9","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-23T02:05:23Z","modified":"2026-09-23T02:05:23Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"259.8,1859.4 34.1,0.0 2375.7,0.0 2514.4,820.4 3589.6,654.4 3633.9,873.1 6222.8,429.3 6149.2,0.0 6452.0,0.0 6452.0,7652.0 5751.3,7652.0 5847.0,7125.7 4679.0,6921.6 4753.7,7351.2 250.0,7325.4 259.8,1859.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844lm:g3844lm_g036201914:03620_1914-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2516.0,820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.847025,39.105539]}},{"type":"Feature","properties":{"resourceCoords":[3552.0,7320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.843643,39.10399]}}]}}]}