{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn01227_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Washington, District-Of-Columbia | 1888 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"48"},{"label":"placed","value":"40"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef-snap 34, georef 6"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 11 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 38.90103,-77.02870 +/-3858m); p1__2 (tier 1, 38.89785,-77.04257 +/-142m); p2__1 (tier 2, 38.88337,-77.01628 +/-1806m); p2__2 (tier 1, 38.88157,-77.02268 +/-100m); p2__3 (tier 1, 38.88223,-77.02348 +/-169m); p3 (tier 2, 38.89070,-77.02406 +/-2223m); p5__2 (tier 1, 38.88728,-77.01196 +/-121m); p9__1 (tier 1, 38.88162,-76.99692 +/-430m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0010/info.json","type":"ImageService2","height":9992,"width":13868},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"167.6,282.1 2662.0,326.0 2673.7,0.0 6215.9,0.0 6219.6,359.4 6661.2,394.3 6649.2,590.9 6860.8,618.5 8415.5,655.3 8423.4,438.6 13868.0,601.3 13868.0,9992.0 -0.0,9992.0 167.6,282.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02001293545538,38.89492679705904]}},{"type":"Feature","properties":{"resourceCoords":[13868.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01206743223622,38.89505894019019]}},{"type":"Feature","properties":{"resourceCoords":[13868.0,9992.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01194596208116,38.89057175906614]}},{"type":"Feature","properties":{"resourceCoords":[0.0,9992.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01989146530032,38.890439615934994]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p11 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"13976.0"},{"label":"split_canvas_h","value":"10080.0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0011__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0011/info.json","type":"ImageService2","height":10080,"width":13976},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"443.1,9349.1 429.1,9547.9 2202.3,9630.4 2212.5,9411.3 7678.6,9629.5 7674.1,10080.0 8059.6,10080.0 8065.2,6884.4 12282.5,6920.4 12286.4,6750.1 13025.0,6720.4 13090.7,4196.7 13976.0,4216.8 13976.0,524.1 8997.6,345.1 8659.9,621.9 7808.0,595.1 7464.7,400.3 7474.7,0.0 5152.6,0.0 5188.9,1941.7 2461.0,1857.9 2476.2,1477.4 706.4,1430.3 693.8,1803.6 -0.0,1782.3 -0.0,9309.5 443.1,9349.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[13100.0,3776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.0090723,38.8974629]}},{"type":"Feature","properties":{"resourceCoords":[13100.0,480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.0091309,38.8989252]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p11 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"8059.6"},{"label":"split_canvas_y","value":"6884.4"},{"label":"split_canvas_w","value":"5916.4"},{"label":"split_canvas_h","value":"3195.6"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0011__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0011/info.json","type":"ImageService2","height":10080,"width":13976},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13976.0,6934.8 8431.5,6887.5 8427.2,8143.2 8063.0,8166.1 8059.6,10080.0 13976.0,10080.0 13976.0,6934.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[8059.6,6884.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00949595888127,38.89727246805124]}},{"type":"Feature","properties":{"resourceCoords":[13976.0,6884.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0027210123659,38.8973176010476]}},{"type":"Feature","properties":{"resourceCoords":[13976.0,10080.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00268969827826,38.89447163048788]}},{"type":"Feature","properties":{"resourceCoords":[8059.6,10080.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00946464479364,38.89442649749152]}},{"type":"Feature","properties":{"resourceCoords":[8431.4,6672.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.009061,38.8974915]}},{"type":"Feature","properties":{"resourceCoords":[8431.4,6672.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.0090723,38.8974629]}},{"type":"Feature","properties":{"resourceCoords":[8431.4,6672.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.009084,38.8974972]}},{"type":"Feature","properties":{"resourceCoords":[8431.4,6672.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.009084,38.8974972]}},{"type":"Feature","properties":{"resourceCoords":[8431.4,6672.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.0090723,38.8974629]}},{"type":"Feature","properties":{"resourceCoords":[8431.4,6672.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.0090723,38.8974629]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0012/info.json","type":"ImageService2","height":10084,"width":14040},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"290.7,8145.2 342.6,1354.9 -0.0,1355.2 -0.0,0.0 14040.0,0.0 14040.0,10084.0 6594.8,10084.0 6586.3,9817.8 1547.9,9795.4 1222.3,10084.0 332.8,10084.0 -0.0,9899.3 -0.0,8503.5 290.7,8145.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01234460034925,38.903259522143436]}},{"type":"Feature","properties":{"resourceCoords":[14040.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00442374051529,38.90325764448996]}},{"type":"Feature","properties":{"resourceCoords":[14040.0,10084.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00442546126739,38.898799019702594]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10084.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01234632110135,38.89880089735607]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0013/info.json","type":"ImageService2","height":10056,"width":14060},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2463.2,4041.2 1052.2,3416.4 1051.5,306.4 2209.3,308.1 2211.4,0.0 12941.3,0.0 12884.8,6719.6 12587.8,7081.4 12593.4,8057.3 10288.0,8127.6 10366.3,10056.0 7634.7,10056.0 7638.2,9677.6 5866.2,9684.8 5865.0,10056.0 1045.2,10056.0 1051.0,4010.8 2463.2,4041.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01952923371638,38.90265769058894]}},{"type":"Feature","properties":{"resourceCoords":[14060.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01151379814634,38.90266063216471]}},{"type":"Feature","properties":{"resourceCoords":[14060.0,10056.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0115111137062,38.89816766408216]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10056.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01952654927625,38.89816472250639]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0014/info.json","type":"ImageService2","height":10108,"width":14084},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"912.9,680.2 13837.2,482.3 13831.5,0.0 14084.0,0.0 14084.0,3467.7 11583.3,3513.8 11707.2,10108.0 -0.0,10108.0 -0.0,9739.8 1030.2,9727.2 1062.8,4696.0 912.9,680.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02650422841441,38.8964528068393]}},{"type":"Feature","properties":{"resourceCoords":[14084.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0184544341253,38.896359220490986]}},{"type":"Feature","properties":{"resourceCoords":[14084.0,10108.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01854012741629,38.89183098613244]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10108.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0265899217054,38.891924572480754]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0015/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0015/info.json","type":"ImageService2","height":9944,"width":13880},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,9944.0 -0.0,378.8 1363.6,367.9 3241.7,921.4 3245.9,1177.0 3248.3,1266.4 3260.2,1704.9 7332.7,1595.3 7333.0,817.1 13675.2,648.5 13880.0,4728.4 13880.0,9694.6 12849.9,9717.2 12852.1,9944.0 -0.0,9944.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03379313156219,38.89658254957958]}},{"type":"Feature","properties":{"resourceCoords":[13880.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02586209232614,38.89643019359502]}},{"type":"Feature","properties":{"resourceCoords":[13880.0,9944.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02600135239375,38.8919766437872]}},{"type":"Feature","properties":{"resourceCoords":[0.0,9944.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0339323916298,38.89212899977176]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0016/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0016/info.json","type":"ImageService2","height":10084,"width":13544},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3049.8,9298.7 1431.5,8760.3 -0.0,8669.1 -0.0,1641.3 13525.0,1483.8 13507.0,9306.7 7150.3,9304.6 7129.0,10084.0 3047.2,10084.0 3049.8,9298.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03370630308443,38.90028853718842]}},{"type":"Feature","properties":{"resourceCoords":[13544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02597990457669,38.90030314168824]}},{"type":"Feature","properties":{"resourceCoords":[13544.0,10084.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02596603090458,38.89579451632944]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10084.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03369242941233,38.89577991182962]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0017/info.json","type":"ImageService2","height":10060,"width":13828},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13828.0,9104.8 668.2,9152.7 640.9,790.3 13211.4,762.7 13223.8,4515.9 13828.0,4513.7 13828.0,9104.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02634714457326,38.90017047241121]}},{"type":"Feature","properties":{"resourceCoords":[13828.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01858345253832,38.900151254661125]}},{"type":"Feature","properties":{"resourceCoords":[13828.0,10060.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0186012910869,38.89572446848068]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10060.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02636498312184,38.895743686230766]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0018/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0018/info.json","type":"ImageService2","height":10084,"width":13904},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"378.1,9966.0 328.7,208.5 13904.0,0.0 13904.0,3828.9 12744.1,3835.1 12766.0,6950.7 13904.0,7566.0 12768.9,7546.2 12780.3,9899.2 378.1,9966.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02616791193371,38.904267413973244]}},{"type":"Feature","properties":{"resourceCoords":[13904.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01825582338763,38.904228090321574]}},{"type":"Feature","properties":{"resourceCoords":[13904.0,10084.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01829221405903,38.89973090207637]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10084.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02620430260511,38.89977022572804]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0019/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0019/info.json","type":"ImageService2","height":10084,"width":14028},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"235.1,3193.9 -0.0,3190.6 -0.0,0.0 195.2,0.0 181.6,731.4 12048.0,897.4 13167.8,952.4 13884.6,1277.0 13756.8,10084.0 200.3,10084.0 235.1,3193.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0339381738493,38.904073253513666]}},{"type":"Feature","properties":{"resourceCoords":[14028.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02591465223679,38.904161646543784]}},{"type":"Feature","properties":{"resourceCoords":[14028.0,10084.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02583357530823,38.89964142292457]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10084.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03385709692073,38.89955302989445]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"13788.0"},{"label":"split_canvas_h","value":"10084.0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0001/info.json","type":"ImageService2","height":10084,"width":13788},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"9289.2,10084.0 9290.8,6800.0 13788.0,6800.4 13788.0,0.0 0.0,0.0 -0.0,10084.0 9289.2,10084.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3932.0,6856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.0198965,38.878416]}},{"type":"Feature","properties":{"resourceCoords":[12252.0,6856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.0151994,38.878414]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0020/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0020/info.json","type":"ImageService2","height":10084,"width":13904},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"602.2,9727.2 544.1,5456.9 2502.4,5436.9 2573.2,5740.9 2929.2,6062.8 3758.0,6049.1 4021.5,5654.3 2602.3,5033.2 2908.6,4741.5 3282.2,4675.7 3926.8,4967.4 3790.4,4667.3 3835.0,4293.4 4916.6,1812.3 13793.0,1791.2 13821.2,10022.4 13092.6,9708.7 11963.0,9674.3 602.2,9727.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03380311499699,38.908073356177866]}},{"type":"Feature","properties":{"resourceCoords":[13904.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02591332903594,38.908045002776326]}},{"type":"Feature","properties":{"resourceCoords":[13904.0,10084.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02593956908409,38.90356073107795]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10084.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03382935504513,38.90358908447949]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0021/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0021/info.json","type":"ImageService2","height":10108,"width":13828},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"367.0,80.7 13828.0,141.2 13828.0,9945.1 345.9,10018.2 367.0,80.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02619454076711,38.90861672245396]}},{"type":"Feature","properties":{"resourceCoords":[13828.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01836772250593,38.908635288976555]}},{"type":"Feature","properties":{"resourceCoords":[13828.0,10108.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01835040415433,38.90415174955478]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10108.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02617722241551,38.90413318303218]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0022/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0022/info.json","type":"ImageService2","height":10132,"width":14056},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"182.1,4221.7 327.0,4337.0 446.7,3427.3 868.2,2984.3 1636.2,2851.0 2364.0,3170.0 2330.2,2375.4 2607.3,1722.8 2588.9,963.1 2949.4,956.6 3075.3,689.1 6010.2,675.4 6349.9,895.1 8977.1,847.6 9435.8,640.1 13330.1,611.5 13377.3,6404.8 8000.1,6419.0 8032.4,9423.3 -0.0,9469.8 -0.0,4806.3 182.1,4221.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03048798210213,38.91145486026694]}},{"type":"Feature","properties":{"resourceCoords":[14056.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02253197369625,38.9114086414236]}},{"type":"Feature","properties":{"resourceCoords":[14056.0,10132.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02257448845815,38.90691455499678]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10132.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03053049686403,38.906960773840126]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0023/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0023/info.json","type":"ImageService2","height":10156,"width":13828},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13160.6,9857.8 7333.7,9918.8 7335.8,10156.0 -0.0,10156.0 -0.0,9985.6 628.5,9977.8 596.8,5679.5 -0.0,5688.6 -0.0,-0.0 13828.0,-0.0 13828.0,1718.8 13079.0,1651.2 13160.6,9857.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01732717888115,38.9143334682464]}},{"type":"Feature","properties":{"resourceCoords":[13828.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.01739894743929,38.90823558754173]}},{"type":"Feature","properties":{"resourceCoords":[13828.0,10156.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02311428596425,38.908276892085404]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10156.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02304251740611,38.91437477279007]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0024/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0024/info.json","type":"ImageService2","height":10036,"width":13928},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1194.6,3202.4 3854.0,3236.3 3896.2,0.0 7337.7,0.0 7252.6,176.5 7520.4,814.5 7492.9,3283.8 6972.7,3274.0 6970.5,3759.9 12594.9,3785.5 12473.7,9878.9 8884.5,9840.4 8430.5,10036.0 5850.4,10036.0 5473.1,9807.8 2867.2,9769.8 2639.3,9775.6 2511.0,10036.0 2156.9,10036.0 2155.3,9770.2 1125.6,9757.2 1194.6,3202.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0303317058607,38.915541975675055]}},{"type":"Feature","properties":{"resourceCoords":[13928.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02230298977443,38.91560905540945]}},{"type":"Feature","properties":{"resourceCoords":[13928.0,10036.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02224130534555,38.91107584710413]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10036.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03027002143182,38.91100876736974]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0025/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0025/info.json","type":"ImageService2","height":10156,"width":13956},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"8275.1,9130.7 6927.1,9119.7 6922.5,9589.2 4434.4,9569.3 4430.1,10156.0 -0.0,10156.0 -0.0,0.0 13532.1,-0.0 13498.2,4261.0 13956.0,4265.4 13956.0,10156.0 13462.5,10156.0 13470.0,9627.7 10962.4,9611.1 10315.7,9886.0 10136.1,9800.5 10114.8,9989.6 8275.1,9130.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02057343784179,38.9201127365506]}},{"type":"Feature","properties":{"resourceCoords":[13956.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02052496149405,38.91390484337504]}},{"type":"Feature","properties":{"resourceCoords":[13956.0,10156.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02629051435332,38.913877202191685]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10156.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02633899070106,38.92008509536724]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0026/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0026/info.json","type":"ImageService2","height":10048,"width":14036},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,9548.0 -0.0,-0.0 12979.7,0.0 12977.4,537.2 13568.3,536.7 13568.5,3014.2 14036.0,3015.1 14036.0,4359.6 13195.5,6196.1 9904.6,6259.8 9903.2,9532.5 -0.0,9548.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03372568005794,38.91836590208242]}},{"type":"Feature","properties":{"resourceCoords":[14036.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02572326434394,38.918353552998234]}},{"type":"Feature","properties":{"resourceCoords":[14036.0,10048.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02573454672734,38.913864781072164]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10048.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03373696244134,38.91387713015635]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0027/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0027/info.json","type":"ImageService2","height":10072,"width":13712},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"903.8,9712.2 961.0,6654.8 1325.0,6657.4 1371.7,26.0 5811.7,0.0 5809.2,132.3 12808.9,248.4 12701.7,6679.3 13712.0,6698.2 13712.0,7691.2 13388.1,8564.6 13443.9,9079.5 12750.4,8755.2 12007.5,8865.7 11591.3,9282.6 11452.4,10072.0 10751.0,9845.0 903.8,9712.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03715024259199,38.91411648027912]}},{"type":"Feature","properties":{"resourceCoords":[13712.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02909533270147,38.91422251117563]}},{"type":"Feature","properties":{"resourceCoords":[13712.0,10072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0289959408472,38.909586204536744]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03705085073771,38.90948017364023]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0028/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0028/info.json","type":"ImageService2","height":10100,"width":14064},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"11640.0,556.1 11243.6,1181.1 11456.4,1169.0 11432.2,5751.8 10574.6,5747.1 9494.9,8207.5 9449.7,8578.6 9584.3,8876.8 8945.1,8585.7 8574.1,8650.1 8269.3,8938.9 9676.7,9559.0 9340.5,10000.9 8591.4,9961.8 8238.7,9641.4 8169.1,9339.5 1814.0,9368.6 1672.0,419.0 11053.6,365.2 11640.0,556.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03705561750218,38.90984187894741]}},{"type":"Feature","properties":{"resourceCoords":[14064.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02901634544918,38.909828517406496]}},{"type":"Feature","properties":{"resourceCoords":[14064.0,10100.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02902859010729,38.905304214847966]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10100.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03706786216028,38.90531757638888]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0029/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0029/info.json","type":"ImageService2","height":9972,"width":13812},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"160.1,2417.8 981.2,2424.8 1236.5,3022.2 1524.9,3020.9 1260.0,2423.7 13812.0,2537.0 13812.0,6580.3 13241.9,6575.2 13251.4,5877.0 13065.1,5877.9 13080.4,8923.1 4428.5,8839.1 3939.3,8473.6 3946.5,9081.3 3732.1,8823.7 91.6,8803.0 160.1,2417.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0029/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04180039994593,38.90677873852655]}},{"type":"Feature","properties":{"resourceCoords":[13812.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03352229667512,38.90683726405504]}},{"type":"Feature","properties":{"resourceCoords":[13812.0,9972.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03346837925854,38.90215346225236]}},{"type":"Feature","properties":{"resourceCoords":[0.0,9972.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04174648252935,38.90209493672386]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0030/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0030/info.json","type":"ImageService2","height":10112,"width":13976},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"238.0,10112.0 346.0,136.1 4101.3,157.4 4322.5,423.1 4328.7,0.0 4819.7,173.3 13976.0,261.8 13976.0,10112.0 238.0,10112.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04189964112294,38.90270496476168]}},{"type":"Feature","properties":{"resourceCoords":[13976.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0337793947678,38.90276225796663]}},{"type":"Feature","properties":{"resourceCoords":[13976.0,10112.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03372650261561,38.8981576843437]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10112.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04184674897074,38.898100391138755]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p31","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0031/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0031/info.json","type":"ImageService2","height":9960,"width":14024},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"14024.0,-0.0 14024.0,9960.0 10324.9,9960.0 10326.4,9553.0 9946.5,9549.7 9804.8,9548.5 5833.6,9514.8 359.6,9491.7 396.7,657.6 13208.7,743.2 13205.6,-0.0 14024.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0031/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04132673677594,38.90391235628996]}},{"type":"Feature","properties":{"resourceCoords":[14024.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04128921646438,38.897744362673755]}},{"type":"Feature","properties":{"resourceCoords":[14024.0,9960.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04687865017422,38.89772347849449]}},{"type":"Feature","properties":{"resourceCoords":[0.0,9960.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04691617048579,38.90389147211069]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0032/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0032/info.json","type":"ImageService2","height":9960,"width":13976},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13709.3,9507.0 9462.4,9461.6 9705.5,9960.0 8749.0,9960.0 8110.8,9450.7 4327.9,9419.7 4324.4,9960.0 418.3,9960.0 428.8,6271.8 -0.0,6267.9 -0.0,637.3 13760.1,773.8 13709.3,9507.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0032/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04130528629692,38.90985995245894]}},{"type":"Feature","properties":{"resourceCoords":[13976.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04125465101565,38.903642663790414]}},{"type":"Feature","properties":{"resourceCoords":[13976.0,9960.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0469085698043,38.9036143852112]}},{"type":"Feature","properties":{"resourceCoords":[0.0,9960.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04695920508557,38.90983167387972]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0033/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0033/info.json","type":"ImageService2","height":10076,"width":13892},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4228.6,755.4 4239.4,-0.0 13379.1,-0.0 13368.9,901.4 13361.7,901.9 13251.2,8934.2 13892.0,8653.7 13892.0,8962.5 13251.0,9232.7 13239.8,10076.0 707.6,9876.6 831.5,698.3 4228.6,755.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0033/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03613301183623,38.91151224939513]}},{"type":"Feature","properties":{"resourceCoords":[13892.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0360261299042,38.90541847867606]}},{"type":"Feature","properties":{"resourceCoords":[13892.0,10076.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0416663040255,38.90535772890269]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10076.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04177318595752,38.91145149962176]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0034/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0034/info.json","type":"ImageService2","height":9988,"width":14024},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"14024.0,9988.0 -0.0,9988.0 -0.0,0.0 14024.0,-0.0 14024.0,382.7 13835.2,376.2 13747.8,9570.1 14024.0,9574.6 14024.0,9988.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03638261014721,38.917203542637054]}},{"type":"Feature","properties":{"resourceCoords":[14024.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.03630620111055,38.91106221836986]}},{"type":"Feature","properties":{"resourceCoords":[14024.0,9988.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04188815044944,38.911019576707794]}},{"type":"Feature","properties":{"resourceCoords":[0.0,9988.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0419645594861,38.91716090097499]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p35","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"26"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0035/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0035/info.json","type":"ImageService2","height":10160,"width":13840},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1322.5 10222.9,1226.0 10219.0,822.5 12830.3,840.4 12864.8,6424.1 13293.1,6425.4 13305.3,10082.9 13840.0,10160.0 -0.0,10160.0 -0.0,1322.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[8300.0,9512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.0466316,38.9118752]}},{"type":"Feature","properties":{"resourceCoords":[20408.0,880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.0416875,38.9064831]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p36","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0036/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0036/info.json","type":"ImageService2","height":10148,"width":13924},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"692.9,5885.3 -0.0,5876.5 -0.0,0.0 12717.1,0.0 12655.7,3834.8 12132.6,4479.9 12125.0,5452.5 12633.8,5209.3 12553.9,9528.0 8680.0,9462.0 8688.2,9036.7 8527.3,9244.9 643.8,9141.8 692.9,5885.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0036/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05373434544956,38.90782369539354]}},{"type":"Feature","properties":{"resourceCoords":[13924.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04596320071974,38.90791012251883]}},{"type":"Feature","properties":{"resourceCoords":[13924.0,10148.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04588282360633,38.90347162943135]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10148.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05365396833615,38.90338520230606]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p37","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0037/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0037/info.json","type":"ImageService2","height":10200,"width":13944},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1367.8,3229.1 1366.6,2684.6 1059.9,2680.9 1071.8,0.0 8916.4,0.0 8754.5,215.3 9072.4,0.0 9071.1,214.0 12926.1,229.2 12901.3,10200.0 -0.0,10200.0 -0.0,7554.8 1050.3,7552.5 1070.7,3235.5 1367.8,3229.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0037/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0539038823207,38.90382876691251]}},{"type":"Feature","properties":{"resourceCoords":[13944.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04608150662386,38.90383556834002]}},{"type":"Feature","properties":{"resourceCoords":[13944.0,10200.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.04607515838312,38.899351100117876]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10200.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05389753407995,38.899344298690366]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0038/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0038/info.json","type":"ImageService2","height":10096,"width":14124},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"14124.0,10096.0 13149.3,10096.0 13112.2,8167.8 9442.3,8238.3 9432.3,8811.7 -0.0,8904.3 -0.0,1004.4 3284.6,968.8 3285.8,276.4 9232.0,307.9 9236.3,-0.0 9783.1,-0.0 9788.9,298.3 14124.0,328.5 14124.0,10096.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05315271197726,38.906692855767496]}},{"type":"Feature","properties":{"resourceCoords":[14124.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05312648322821,38.90050928212793]}},{"type":"Feature","properties":{"resourceCoords":[14124.0,10096.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05876654974503,38.900494588935885]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10096.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05879277849408,38.90667816257545]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0039/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0039/info.json","type":"ImageService2","height":10100,"width":13948},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13383.3,6462.3 13948.0,6483.0 13948.0,10100.0 -0.0,10100.0 -0.0,371.8 13411.8,405.5 13383.3,6462.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0039/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.06572569430325,38.90528679699527]}},{"type":"Feature","properties":{"resourceCoords":[13948.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0578203799312,38.90542657965707]}},{"type":"Feature","properties":{"resourceCoords":[13948.0,10100.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05769122440736,38.90094038269993]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10100.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.06559653877942,38.90080060003813]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0004/info.json","type":"ImageService2","height":9948,"width":13932},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13932.0,9948.0 -0.0,9948.0 -0.0,-0.0 13366.6,0.0 13367.9,6335.2 13932.0,6336.9 13932.0,9948.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02956222130068,38.88763555812498]}},{"type":"Feature","properties":{"resourceCoords":[13932.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02160786079199,38.88767630345978]}},{"type":"Feature","properties":{"resourceCoords":[13932.0,9948.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02157074628224,38.88322400720624]}},{"type":"Feature","properties":{"resourceCoords":[0.0,9948.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.02952510679093,38.88318326187144]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p40","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0040/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0040/info.json","type":"ImageService2","height":10044,"width":13808},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13518.1,733.3 13427.6,9070.9 10496.2,9076.2 7894.3,10044.0 5984.2,10044.0 6013.5,8221.6 4121.5,8203.9 4106.7,9782.3 3347.0,10044.0 -0.0,10044.0 -0.0,0.0 10272.7,-0.0 10256.4,655.8 13518.1,733.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05792011366007,38.91120932290366]}},{"type":"Feature","properties":{"resourceCoords":[13808.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.05770203228596,38.905122382918734]}},{"type":"Feature","properties":{"resourceCoords":[13808.0,10044.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.06335212066891,38.90499807058928]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10044.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.06357020204302,38.911085010574205]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p41","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0041/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0041/info.json","type":"ImageService2","height":10120,"width":13900},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13900.0,8223.9 10767.7,8253.1 10002.4,8524.8 10002.3,10120.0 8090.0,10120.0 8057.8,8278.3 6172.0,8295.9 3551.7,9298.5 589.1,9331.6 558.5,4103.5 0.0,4105.6 0.0,-0.0 13900.0,0.0 13900.0,8223.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0041/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.06799957172473,38.90484446002913]}},{"type":"Feature","properties":{"resourceCoords":[13900.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.06814464746355,38.91090859262655]}},{"type":"Feature","properties":{"resourceCoords":[13900.0,10120.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0625106880699,38.910991364196356]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10120.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.06236561233108,38.90492723159894]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p5 [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":"13856.0"},{"label":"split_canvas_h","value":"10056.0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0005/info.json","type":"ImageService2","height":10056,"width":13856},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1035.8,10056.0 7128.0,10056.0 8160.0,10056.0 13856.0,10056.0 13856.0,0.0 6978.0,0.0 3459.2,0.0 3422.8,3500.4 0.0,3446.0 -0.0,3488.9 537.6,3548.2 480.5,9790.8 1037.3,9795.8 1035.8,10056.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[512.0,6460.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.021912,38.8863379]}},{"type":"Feature","properties":{"resourceCoords":[12164.0,2496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.0152018,38.8881885]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0006/info.json","type":"ImageService2","height":10036,"width":13828},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,10036.0 -0.0,-0.0 4176.5,0.0 4390.9,195.6 4386.5,0.0 8220.8,0.0 9627.1,323.6 9886.3,175.3 13663.5,158.0 13703.1,9822.4 13118.8,9806.7 13116.5,10036.0 -0.0,10036.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00845896631162,38.88770592224573]}},{"type":"Feature","properties":{"resourceCoords":[13828.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00047215689395,38.88767576258195]}},{"type":"Feature","properties":{"resourceCoords":[13828.0,10036.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00050008040368,38.88313182479821]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10036.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00848688982136,38.88316198446199]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0007/info.json","type":"ImageService2","height":10080,"width":13768},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13768.0,-0.0 13768.0,10080.0 10248.3,10080.0 10258.4,9482.2 374.8,9622.4 253.5,1178.0 -0.0,1182.5 -0.0,0.0 13768.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99513104036008,38.88770699380324]}},{"type":"Feature","properties":{"resourceCoords":[13768.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99524694644387,38.88161275015373]}},{"type":"Feature","properties":{"resourceCoords":[13768.0,10080.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00093871259742,38.88167927108896]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10080.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00082280651363,38.88777351473848]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0008/info.json","type":"ImageService2","height":10048,"width":13860},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13860.0,9977.9 1343.3,10048.0 -0.0,9845.8 0.0,0.0 13860.0,0.0 13860.0,9977.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.00372646384156,38.89204984318546]}},{"type":"Feature","properties":{"resourceCoords":[13860.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99581438833879,38.89206731453864]}},{"type":"Feature","properties":{"resourceCoords":[13860.0,10048.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99579822944743,38.88757119139903]}},{"type":"Feature","properties":{"resourceCoords":[0.0,10048.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.0037103049502,38.88755372004585]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Washington, District-Of-Columbia | 1888 | sanborn01227_001 p9 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"10824.4"},{"label":"split_canvas_y","value":"6104.8"},{"label":"split_canvas_w","value":"3075.6"},{"label":"split_canvas_h","value":"4027.2"}],"created":"2026-09-22T10:29:17Z","modified":"2026-09-22T10:29:17Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0009__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0009/info.json","type":"ImageService2","height":10132,"width":13900},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"13900.0,6104.8 10824.4,6108.4 10846.4,10132.0 13900.0,10132.0 13900.0,6104.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd385m:g3851m:g3851gm:g3851gm_g012271888:01227_1888-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[10824.4,6104.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99658739454706,38.880358740083466]}},{"type":"Feature","properties":{"resourceCoords":[13900.0,6104.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.99306872018676,38.88044336173077]}},{"type":"Feature","properties":{"resourceCoords":[13900.0,10132.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.9929263086615,38.876858093313594]}},{"type":"Feature","properties":{"resourceCoords":[10824.4,10132.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.9964449830218,38.87677347166629]}},{"type":"Feature","properties":{"resourceCoords":[12160.2,8524.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.9949736,38.8782423]}}]}}]}