{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03603_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Frederick, Maryland | 1904 | 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":"42"},{"label":"placed","value":"21"},{"label":"unplaced","value":"21"},{"label":"fit sources","value":"georef-snap 11, georef 9, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 24 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 39.42386,-77.40234 +/-255m); p18__2 (tier 2, 39.42227,-77.40699 +/-113m); p19__2 (tier 1, 39.41691,-77.40393 +/-131m); p22__1 (tier 1, 39.40798,-77.40853 +/-175m); p24__1 (tier 1, 39.41030,-77.41946 +/-259m); p24__2 (tier 1, 39.41074,-77.41780 +/-121m); p25__1 (tier 1, 39.40846,-77.39816 +/-100m); p25__2 (tier 1, 39.40846,-77.39888 +/-111m); p26__1 (tier 4, 39.41546,-77.41051 +/-990m); p26__2 (tier 4, 39.41546,-77.41051 +/-990m); p26__3 (tier 4, 39.41546,-77.41051 +/-990m); p26__4 (tier 4, 39.41546,-77.41051 +/-990m); p27__1 (tier 4, 39.41546,-77.41051 +/-990m); p27__2 (tier 4, 39.41546,-77.41051 +/-990m); p27__3 (tier 4, 39.41546,-77.41051 +/-990m); p27__4 (tier 4, 39.41546,-77.41051 +/-990m); p2__1 (tier 1, 39.41244,-77.42532 +/-204m); p2__2 (tier 1, 39.41303,-77.42432 +/-198m); p3__1 (tier 1, 39.41289,-77.42146 +/-100m); p3__2 (tier 1, 39.41211,-77.42389 +/-100m); p3__3 (tier 1, 39.41259,-77.42132 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p10","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"553.7,1254.0 5877.7,1241.8 5960.9,6449.4 636.5,6501.4 553.7,1254.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3236.0,4408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4101831,39.420343]}},{"type":"Feature","properties":{"resourceCoords":[5928.0,4408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.410343,39.4190753]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5922.2,1299.6 5944.1,6602.0 613.5,6501.5 572.9,1175.0 5922.2,1299.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40767876413119,39.41917134575492]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4080192013722,39.41617709111417]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41258373915447,39.4164912072112]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41224330191346,39.41948546185195]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p12","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"617.7,1047.7 5733.8,1096.2 5796.9,6288.6 642.9,6219.3 617.7,1047.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3256.0,4180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.410827,39.4153627]}},{"type":"Feature","properties":{"resourceCoords":[616.0,4180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.410682,39.41661]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p13","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5649.4,7533.8 782.3,7598.1 622.4,66.3 5373.3,165.7 5649.4,7533.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5552.0,5500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4112667,39.4119249]}},{"type":"Feature","properties":{"resourceCoords":[740.0,5500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4109832,39.414176]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6117.1,7507.5 420.3,7546.1 145.8,29.1 5187.4,82.1 5604.1,5506.5 6452.0,5499.4 6452.0,7577.3 6117.1,7507.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40800064763748,39.411831759559476]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40836796240679,39.40885187497291]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41291011877624,39.40919082600371]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41254280400693,39.412170710590274]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0015/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"579.5,770.5 5796.8,815.9 5920.3,6976.6 695.4,6991.3 579.5,770.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40457150998382,39.41646513250652]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40496595283813,39.413483645881605]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40951085207216,39.413847606089725]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40911640921786,39.416829092714636]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0016/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1110.4,-0.0 5057.1,-0.0 5080.7,1227.5 5969.4,1253.4 6003.5,7426.2 680.5,7308.8 622.1,1075.1 1117.5,1096.5 1110.4,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40399232979817,39.418965333892864]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40433922808391,39.41595652298134]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4089259408034,39.416276601637236]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40857904251766,39.41928541254876]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p17","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0017/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5974.4,7431.8 586.3,7371.3 569.3,1139.2 1147.7,1160.3 1164.4,-0.0 6452.0,-0.0 6452.0,1255.9 5956.0,1232.0 5974.4,7431.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[592.0,5040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4066967,39.4213678]}},{"type":"Feature","properties":{"resourceCoords":[5956.0,1232.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4046702,39.4187202]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p18 [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":"7652.0"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0018__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0018/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,1374.6 6452.0,-0.0 2622.4,0.0 2601.6,948.0 0.0,940.0 -0.0,7632.6 409.9,7652.0 400.1,7273.2 6002.6,7299.0 5900.7,1362.5 6452.0,1374.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5976.0,5080.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4066967,39.4213678]}},{"type":"Feature","properties":{"resourceCoords":[320.0,1304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.403958,39.4239484]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p19 [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":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0019__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0019/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,3188.0 6452.0,3054.8 5703.6,3045.2 5707.6,2717.2 3748.4,2714.0 3732.0,0.0 -0.0,0.0 -0.0,6994.0 6284.8,7251.2 6309.0,3349.4 6452.0,3352.6 6452.0,3188.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[944.0,3664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4030998,39.4161161]}},{"type":"Feature","properties":{"resourceCoords":[2444.0,5548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4042597,39.4155008]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0020/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5753.4,1618.4 5633.6,4260.9 6135.7,4269.5 6104.4,7652.0 462.5,7528.6 375.6,-0.0 6380.1,-0.0 5753.4,1618.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40311560874648,39.41386634656368]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40348408945232,39.41083642544909]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40810264697758,39.41117644267687]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40773416627174,39.41420636379146]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p21","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0021/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0021/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,-0.0 6452.0,7296.9 556.0,7360.0 505.1,3981.9 -0.0,3986.3 -0.0,1461.4 543.3,-0.0 6452.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40360587905548,39.41118745117494]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40407255160163,39.408183690795006]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4086856944575,39.40861109799975]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40821902191135,39.411614858379686]}},{"type":"Feature","properties":{"resourceCoords":[556.0,7360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4080832,39.4113397]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0022__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p22 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"6051.6"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0022__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0022/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,-0.0 1853.0,-0.0 1812.8,398.6 -0.0,224.1 -0.0,5566.7 837.0,5623.2 804.0,6050.0 4943.6,6042.0 6452.0,6039.2 6452.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0022__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4082086630867,39.40943757538511]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40828341321526,39.406412824425594]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,6051.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41195746438231,39.406466970314526]}},{"type":"Feature","properties":{"resourceCoords":[0.0,6051.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41188271425375,39.409491721274044]}},{"type":"Feature","properties":{"resourceCoords":[3696.0,5831.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.411792,39.4077561]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0023/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0023/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,494.4 6452.0,7652.0 4016.9,7652.0 618.2,6628.8 492.7,289.3 3161.9,390.7 3165.5,293.4 6452.0,494.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41232076697683,39.41218549336564]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41253434177823,39.409291077267525]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41694624235282,39.40948815904236]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41673266755143,39.41238257514048]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0003__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p3 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1626.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"6025.2"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0003__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7214.3 6403.5,7212.6 5407.5,6931.9 5439.3,5637.6 6035.3,3524.1 6452.0,3386.5 6452.0,1626.8 4104.4,1823.6 1463.6,2065.6 1463.6,2040.0 0.0,2149.6 0.0,2181.6 -0.0,7652.0 6452.0,7652.0 6452.0,7214.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0003__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1626.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42306579902618,39.41379609652867]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,1626.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41941393036868,39.41366812399293]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41956760068821,39.41101352026253]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42321946934571,39.41114149279827]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6081.6,3785.4 6452.0,3632.1 6452.0,4001.2 6071.0,4111.7 5955.7,7652.0 290.5,7652.0 -0.0,6475.1 -0.0,4414.9 341.1,4184.6 -0.0,2974.4 -0.0,-0.0 6204.8,0.0 6081.6,3785.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41885979290473,39.41481053944211]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41515931280735,39.41385725415035]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41661242381088,39.410442626294184]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42031290390825,39.41139591158594]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p5","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"10"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,872.5 6452.0,6883.5 2081.0,7652.0 1879.5,7652.0 1304.8,7652.0 1201.6,6827.0 1310.0,414.0 6452.0,453.5 6452.0,872.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2712.0,5824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4153284,39.4138255]}},{"type":"Feature","properties":{"resourceCoords":[1312.0,416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4122561,39.4142517]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7652.0 -0.0,7326.2 467.6,7333.6 518.0,5876.7 -0.0,5858.7 -0.0,3784.0 565.1,3923.3 644.0,380.9 5997.5,590.4 5973.5,2511.3 6452.0,3782.6 6452.0,5547.8 6028.8,5432.3 5830.0,6696.0 5919.2,7482.7 6452.0,7489.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41168323720956,39.416965902109034]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41192770487355,39.41402731484825]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41640724102389,39.4142528883979]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4161627733599,39.41719147565868]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5578.7,7365.4 5592.2,7652.0 1087.3,7652.0 1082.6,7302.2 476.6,7214.2 593.7,3278.8 471.5,446.1 5895.1,421.6 5982.1,3951.6 5413.1,3839.3 5510.1,5904.5 6026.6,5898.2 6044.6,7350.9 5578.7,7365.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41129755135341,39.41934532938012]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41172045423878,39.41640882175017]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41619697627843,39.416799026238074]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41577407339307,39.41973553386803]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7652.0 -0.0,2609.6 372.6,2599.6 509.6,1967.6 568.4,608.9 5945.8,555.2 6027.7,3325.6 5860.9,7170.6 6452.0,7264.6 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41090635281348,39.42190032924247]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41128645387369,39.4188920441924]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41587256100054,39.4192427436357]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41549245994034,39.42225102868577]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Frederick, Maryland | 1904 | sanborn03603_004 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T17:05:34Z","modified":"2026-09-23T17:05:34Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6082.2,7652.0 -0.0,7652.0 -0.0,0.0 129.8,-0.0 115.6,542.5 542.3,574.5 542.4,176.7 6380.6,364.2 6321.3,6361.0 6082.2,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd384m:g3844m:g3844fm:g3844fm_g036031904:03603_1904-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40760640620356,39.4244447354288]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.40788435505087,39.42141568630659]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41250226120265,39.42167212720889]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41222431235533,39.424701176331105]}}]}}]}