{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn09064_018.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Richmond, Virginia | 1952 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"100"},{"label":"placed","value":"92"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef-snap 46, georef 40, georef-street 4, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 37.55396,-77.45262 +/-276m); p305__2 (tier 2, 37.55058,-77.44171 +/-100m); p313__2 (tier 2, 37.55893,-77.44914 +/-120m); p317 (tier 2, 37.55437,-77.44220 +/-188m); p327 (tier 1, 37.56021,-77.43609 +/-264m); p379__2 (tier 1, 37.58222,-77.43110 +/-100m); p382__1 (tier 2, 37.57788,-77.41708 +/-656m); p391 (tier 1, 37.57063,-77.41183 +/-237m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0301/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p301","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0301/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0301","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 728.2,-0.0 718.6,1336.5 -0.0,1350.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0301/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[849.0,1119.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4516449,37.5559276]}},{"type":"Feature","properties":{"resourceCoords":[199.0,1119.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4534731,37.5570034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0302/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p302","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0302/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0302","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1088.0,1134.1 1088.0,1350.0 -0.0,1350.0 -0.0,13.7 749.0,-0.0 744.9,721.4 856.9,720.9 1088.0,1134.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0302/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44962,37.5586535]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4465752,37.5568356]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4494206,37.5538405]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4524654,37.5556584]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0303/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p303","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0303/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0303","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"353.5,1350.0 352.9,1231.2 118.5,1231.6 114.3,812.9 -0.0,814.9 0.0,-0.0 322.9,-0.0 314.0,32.0 825.2,176.2 849.9,1350.0 353.5,1350.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0303/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44735846342765,37.557573975770524]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44440578736577,37.55576473811426]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.447217697744,37.552839779719065]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.45017037380588,37.554649017375326]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0304/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p304","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0304/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0304","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1350.0 -0.0,191.2 367.0,303.1 541.9,199.0 673.3,281.6 823.6,289.1 832.3,260.2 639.9,235.8 437.9,29.6 481.2,-0.0 1088.0,-0.0 1088.0,273.6 948.0,270.2 947.7,291.1 1036.9,292.5 1028.4,1233.5 931.7,1233.7 930.0,1335.3 -0.0,1350.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0304/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[285.0,1233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4468308,37.5530155]}},{"type":"Feature","properties":{"resourceCoords":[980.0,1233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4448641,37.5518775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0305__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p305 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"5400.0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0305__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0305","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,1350.0 50.4,1350.0 50.0,1191.7 605.8,1168.1 607.0,1019.0 758.2,1015.3 1062.9,665.3 980.8,397.4 607.4,402.9 610.8,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0305__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[973.0,648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4408946,37.5507988]}},{"type":"Feature","properties":{"resourceCoords":[607.0,1019.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4406178,37.549352]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0306/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p306","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0306/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0306","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.8,1350.0 -0.0,1350.0 -0.0,564.6 574.9,545.4 576.5,390.9 732.9,388.6 955.0,135.5 954.1,1230.8 36.9,1222.7 35.8,1350.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0306/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44285734093177,37.54872128106569]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44065469956156,37.55110433282875]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43695128726382,37.54892218107401]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43915392863403,37.54653912931095]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0307/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p307","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0307/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0307","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.5,1075.9 93.5,363.3 -0.0,363.2 -0.0,309.4 415.1,183.9 414.5,-0.0 877.0,-0.0 875.9,91.0 1049.5,107.5 1088.0,63.3 1088.0,1093.5 925.2,1108.3 949.2,1091.0 87.5,1075.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0307/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[729.0,514.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4338671,37.5497312]}},{"type":"Feature","properties":{"resourceCoords":[94.0,283.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4351628,37.5512978]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0308/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p308","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0308/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0308","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.5,-0.0 1088.0,-0.0 1037.5,305.4 1088.0,304.5 1088.0,1350.0 -0.0,1350.0 -0.0,1286.1 179.9,1282.6 179.2,1247.0 52.6,1248.4 41.5,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0308/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43696334214478,37.5496225270474]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43400639240862,37.54780756872842]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43682689260575,37.54487806395593]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43978384234191,37.5466930222749]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0309/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p309","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0309/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0309","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"995.2,216.6 998.4,1133.0 1088.0,1132.8 1088.0,1350.0 -0.0,1350.0 -0.0,210.1 995.2,216.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0309/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[995.0,485.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.433895,37.5466996]}},{"type":"Feature","properties":{"resourceCoords":[995.0,164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4347897,37.5472339]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0310/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p310","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0310/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0310","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"438.0,169.7 1088.0,121.5 1088.0,1093.5 986.2,1101.0 998.0,1315.5 1088.0,1309.9 1088.0,1350.0 305.3,1350.0 291.4,1150.5 199.2,1157.2 126.0,160.0 439.4,194.6 438.0,169.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0310/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[126.0,160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4347897,37.5472339]}},{"type":"Feature","properties":{"resourceCoords":[661.0,1127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4311345,37.5466165]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0311/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p311","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0311/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0311","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1144.3 97.5,1143.2 148.7,214.4 543.5,209.6 499.1,172.1 512.1,0.0 1088.0,0.0 1088.0,1350.0 -0.0,1350.0 -0.0,1144.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0311/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43367283795575,37.54928629924123]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43133210623512,37.55171020427503]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42756515132788,37.54939128000498]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42990588304852,37.546967374971175]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0312/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p312","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0312/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0312","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"426.4,0.0 547.9,0.0 685.5,1350.0 422.7,1337.7 426.4,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0312/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43222825509079,37.550741833375334]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42988771576292,37.553179393290925]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42609949143775,37.55086068934943]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42844003076563,37.548423129433836]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0313__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p313 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"5400.0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0313__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0313","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1088.0,193.4 864.9,115.0 720.4,-0.0 -0.0,-0.0 -0.0,974.9 1042.4,898.7 1088.0,193.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0313__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[205.0,718.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4502469,37.559717]}},{"type":"Feature","properties":{"resourceCoords":[602.0,833.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4495408,37.5588613]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0314/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p314","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0314/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0314","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"278.4,342.6 397.5,383.9 906.0,560.0 894.7,593.1 256.1,383.1 278.4,342.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0314/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44690669484405,37.56017838426952]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44391326153146,37.55837868374102]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44671045132273,37.55541345880728]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44970388463531,37.55721315933578]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0315/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p315","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0315/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0315","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,546.5 0.0,-0.0 104.3,0.0 106.3,99.0 1067.4,91.3 1066.7,0.0 1088.0,0.0 1088.0,582.9 1036.2,725.0 844.2,941.9 913.6,1170.6 640.5,1172.2 588.0,1231.4 499.8,954.7 114.4,962.6 112.8,545.9 -0.0,546.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0315/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44521696967335,37.55172995199999]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44296649081932,37.554090078599295]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43929855857989,37.551860623766]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44154903743393,37.54950049716669]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0316/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p316","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0316/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0316","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"217.7,1350.0 187.2,1350.0 149.8,1202.6 190.3,1051.6 37.7,912.9 37.9,0.0 337.6,0.0 336.8,21.4 724.5,49.2 710.5,370.6 901.6,379.4 1078.0,531.0 1088.0,515.0 1088.0,602.1 952.4,915.9 913.6,899.3 745.4,1239.5 631.4,1149.2 485.4,1327.0 364.5,935.0 323.1,901.8 183.9,1157.0 217.7,1350.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0316/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44667886378025,37.55691899616739]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44367271172081,37.558723141789834]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4408686731517,37.55574525422097]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44387482521114,37.55394110859853]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0318/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p318","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0318/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0318","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"510.1,1236.0 366.5,997.9 318.8,957.0 248.3,911.0 -0.0,838.4 -0.0,-0.0 1088.0,0.0 1088.0,219.3 971.0,645.2 916.3,630.0 748.0,1233.3 510.1,1236.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0318/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[510.0,1236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4409344,37.5520126]}},{"type":"Feature","properties":{"resourceCoords":[718.0,1554.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4406549,37.550972]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0319/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p319","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"12"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0319/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0319","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1088.0,1273.9 57.8,964.1 53.7,349.3 23.6,34.3 750.6,250.0 973.9,254.5 979.0,0.0 1088.0,0.0 1088.0,1273.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0319/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[367.0,1057.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4355546,37.5523327]}},{"type":"Feature","properties":{"resourceCoords":[678.0,501.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4369983,37.5536611]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0320/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p320","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0320/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0320","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"989.6,337.1 992.2,998.6 740.0,1136.5 692.0,1350.0 505.5,1350.0 93.0,1210.9 107.6,1164.7 57.3,709.9 63.4,271.9 11.8,255.2 70.6,42.3 989.6,337.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0320/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43644223289013,37.55147363353484]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43521711132817,37.554314438886244]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43080211483831,37.55310077048617]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43202723640027,37.550259965134764]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0321/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p321","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0321/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0321","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,893.8 144.7,891.4 59.2,521.0 99.5,509.2 -0.0,129.2 377.0,146.3 376.1,0.0 1088.0,0.0 1088.0,213.9 970.5,250.8 974.2,940.8 428.9,755.9 227.4,1350.0 93.3,1350.0 168.8,1236.8 -0.0,1124.3 -0.0,893.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0321/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[433.0,523.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4409896,37.556401]}},{"type":"Feature","properties":{"resourceCoords":[1023.0,231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4388985,37.5571354]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0322/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p322","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0322/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0322","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 1088.0,0.0 1078.7,243.4 549.5,1004.3 260.2,1024.7 -0.0,934.8 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0322/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[55.0,561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.438932,37.5562182]}},{"type":"Feature","properties":{"resourceCoords":[349.0,223.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4378609,37.5571235]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0323/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p323","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0323/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0323","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"997.1,6.3 1088.0,9.5 1088.0,1153.2 903.9,1112.7 956.7,1019.7 -0.0,787.1 -0.0,-0.0 996.6,0.0 997.1,6.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0323/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4369615265021,37.55713566031521]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4331575324846,37.55680450741993]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43367220877958,37.553036220507124]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43747620279709,37.5533673734024]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0324/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p324","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0324/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0324","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"192.4,0.0 970.6,0.0 530.7,857.5 531.6,890.9 588.7,889.5 454.8,1201.6 234.6,1159.7 192.4,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0324/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4338257,37.5568546]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4300674,37.5564219]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4307447,37.552724899999994]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.434503,37.5531576]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0325/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p325","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0325/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0325","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1025.3,568.1 956.6,889.9 715.6,884.2 247.0,1182.0 208.9,1350.0 -0.0,1350.0 465.7,472.5 -0.0,460.5 -0.0,-0.0 802.6,0.0 965.7,308.4 1012.2,435.0 1025.3,568.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0325/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43188722644089,37.557921147379346]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42813417681266,37.55756783048075]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42868330639487,37.55385005102766]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4324363560231,37.554203367926256]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0326__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p326 [1]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"27"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"5400.0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0326__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0326","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"45.5,162.3 47.1,1230.3 295.9,1231.5 288.6,906.7 406.0,923.6 491.8,1237.4 1088.0,1242.3 1088.0,958.0 900.7,348.6 782.2,58.4 896.3,57.9 897.1,0.0 365.0,0.0 232.0,0.0 187.4,0.0 45.5,162.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0326__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[46.0,412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4398498,37.5501801]}},{"type":"Feature","properties":{"resourceCoords":[46.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4408946,37.5507988]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0326__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p326 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3571.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"780.8"},{"label":"split_canvas_h","value":"1605.2"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0326__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0326","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"896.8,22.9 892.8,322.7 968.0,353.0 1088.0,360.1 1009.5,42.5 896.8,22.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0326__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[892.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43801457711363,37.54993309327103]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43762012580625,37.55037820163796]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,401.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43647953692034,37.54973387420107]}},{"type":"Feature","properties":{"resourceCoords":[892.8,401.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43687398822773,37.549288765834135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0328/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p328","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0328/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0328","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"706.7,210.9 736.8,122.4 1073.8,118.6 1008.3,1079.8 10.9,1090.7 0.0,211.8 706.7,210.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0328/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4382556,37.5591151]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4380883,37.5621433]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4333483,37.561978800000006]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4335156,37.5589506]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0329/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p329","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0329/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0329","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1088.0,484.1 1088.0,1350.0 1050.5,1350.0 1048.8,1047.8 906.2,1053.4 906.6,1350.0 554.4,1350.0 570.4,953.1 112.5,934.7 162.4,0.0 895.8,0.0 905.4,493.7 1088.0,484.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0329/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4353576974107,37.556540998588375]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43506506728271,37.55956382544954]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43036683141098,37.55927395280022]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43065946153897,37.556251125939056]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0330/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p330","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0330/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0330","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"997.3,158.4 1088.0,446.4 1088.0,732.0 144.2,1350.0 0.0,1350.0 0.0,201.6 997.3,158.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0330/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[636.0,757.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4323117,37.5606593]}},{"type":"Feature","properties":{"resourceCoords":[202.0,1046.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4314183,37.5593943]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0331/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p331","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0331/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0331","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1051.3 0.0,0.0 540.1,-0.0 539.2,95.5 1088.0,96.2 1088.0,1184.4 899.0,1187.0 898.3,1052.2 -0.0,1051.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0331/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[542.0,449.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4256446,37.5584511]}},{"type":"Feature","properties":{"resourceCoords":[899.0,1187.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4259434,37.5561811]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0332/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p332","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0332/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0332","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"330.2,276.7 1088.0,281.3 1088.0,1350.0 328.8,1350.0 330.2,276.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0332/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[135.0,455.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4246006,37.5579261]}},{"type":"Feature","properties":{"resourceCoords":[491.0,97.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4228864,37.5582515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0333/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p333","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0333/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0333","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"73.8,1047.0 64.2,539.3 66.0,507.8 220.9,200.9 366.0,237.1 727.8,245.8 732.6,389.0 957.9,389.1 972.1,1083.7 73.8,1047.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0333/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43767415385976,37.56497523800656]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43393583488908,37.56476487837215]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4342628092964,37.56106204007333]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43800112826708,37.56127239970774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0334/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p334","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0334/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0334","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"666.0,1130.2 663.2,1031.0 375.4,1023.3 376.9,1126.6 -0.0,1101.5 -0.0,272.9 361.2,286.2 359.7,236.9 1029.2,253.3 1026.1,534.7 801.6,522.5 786.1,522.2 788.6,773.1 805.3,773.6 794.0,782.0 730.3,1131.5 666.0,1130.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0334/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[718.0,249.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.431953,37.5640669]}},{"type":"Feature","properties":{"resourceCoords":[952.0,773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4312298,37.5625902]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0335/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p335","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0335/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0335","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"207.6,1164.0 23.3,500.5 232.5,97.9 916.4,192.7 932.9,1350.0 711.2,1350.0 207.6,1164.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0335/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[216.0,853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4368568,37.5652409]}},{"type":"Feature","properties":{"resourceCoords":[916.0,193.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.434246,37.5669309]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0336/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p336","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0336/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0336","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"68.3,863.3 -0.0,861.1 -0.0,521.9 180.0,531.0 294.2,205.7 569.8,243.8 578.0,0.0 634.4,0.0 629.2,112.6 963.1,119.8 997.8,1208.6 639.0,1194.4 640.1,1243.5 53.5,1215.5 68.3,863.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0336/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43523687514846,37.56753618350889]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43145884513407,37.56740619668533]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43166089842995,37.56366415567935]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43543892844434,37.56379414250291]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0337/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p337","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0337/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0337","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"868.4,1094.7 356.9,1089.0 358.9,1213.5 44.0,1202.7 24.9,101.9 747.1,126.2 807.3,96.5 877.9,0.0 1088.0,0.0 1088.0,1350.0 915.8,1350.0 868.4,1094.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0337/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43198600731388,37.567370827077006]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42824575704833,37.56728532840627]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42837865709909,37.56358070023769]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43211890736464,37.56366619890842]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0338/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p338","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0338/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0338","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"165.3,993.5 162.7,672.2 -0.0,633.4 -0.0,385.6 238.4,400.1 240.9,0.0 743.4,0.0 792.7,250.2 961.8,248.2 959.0,0.0 1088.0,0.0 1088.0,848.5 755.5,785.2 791.0,909.9 911.9,1160.2 853.1,1180.0 167.9,1157.8 166.5,1345.8 -0.0,1339.9 -0.0,988.5 165.3,993.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0338/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43170944292208,37.56438132073503]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42790253053745,37.564260028596244]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42809106065197,37.5604892194583]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4318979730366,37.56061051159708]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0339/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p339","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0339/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0339","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.7,36.4 787.9,24.8 787.6,0.0 865.4,23.5 891.2,1145.4 122.6,1050.3 106.7,36.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0339/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43675567225546,37.570261906090316]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43298270272449,37.57003013612525]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43334298207375,37.56629324168609]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43711595160472,37.56652501165116]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0340/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p340","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0340/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0340","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1088.0,0.0 1088.0,1045.7 254.3,1039.8 258.2,927.1 201.9,927.7 196.2,1171.5 -0.0,1142.6 -0.0,20.1 886.5,28.9 930.6,0.0 1088.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0340/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43375728290113,37.57006848646993]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42997954156063,37.569906126181024]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.430231925132,37.56616449738875]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4340096664725,37.56632685767765]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0341/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p341","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0341/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0341","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"369.6,1350.0 287.1,963.8 169.0,844.4 107.6,91.0 1088.0,88.0 1088.0,1180.4 795.0,1182.0 795.5,1350.0 369.6,1350.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0341/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[795.0,1182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4399908,37.568805]}},{"type":"Feature","properties":{"resourceCoords":[108.0,91.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4421356,37.5719479]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0342/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p342","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0342/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0342","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"277.1,768.3 241.2,774.4 245.2,95.6 836.1,97.1 837.8,645.0 607.0,712.3 606.7,1188.9 277.0,1186.7 277.1,768.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0342/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[607.0,645.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4375686,37.5701948]}},{"type":"Feature","properties":{"resourceCoords":[943.0,645.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4363954,37.5701385]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0343/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p343","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0343/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0343","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,638.0 106.8,638.6 108.6,97.7 787.7,101.6 787.4,146.6 817.8,147.2 816.6,1177.8 -0.0,1184.7 -0.0,638.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0343/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[105.0,1185.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4363954,37.5701385]}},{"type":"Feature","properties":{"resourceCoords":[447.0,102.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.43498,37.5730912]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0344/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p344","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0344/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0344","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"956.9,1178.0 -0.0,1179.5 -0.0,94.7 965.0,99.6 956.9,1178.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0344/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[633.0,635.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4315763,37.5714283]}},{"type":"Feature","properties":{"resourceCoords":[633.0,1179.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.431688,37.5699177]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0345/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p345","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0345/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0345","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.8,1117.3 35.1,0.0 367.8,0.0 368.9,192.4 1088.0,133.8 1088.0,1350.0 205.1,1350.0 201.7,1115.0 43.8,1117.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0345/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43041348653225,37.573023325420124]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42664919558952,37.57281790442134]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42696852806822,37.569089743297404]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43073281901094,37.569295164296186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0346/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p346","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0346/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0346","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"234.6,1144.7 225.6,362.0 1088.0,0.0 1088.0,1157.1 768.7,1182.0 234.6,1144.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0346/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43074954980636,37.57033784996047]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.426837102088,37.570133662749505]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4271545047807,37.5662586224477]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43106695249907,37.56646280965866]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0347/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p347","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0347/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0347","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1088.0,0.0 1088.0,1241.4 879.1,1242.3 876.3,1132.2 680.4,1132.9 681.6,1243.2 39.8,1247.8 32.8,0.0 1088.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0347/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44060217906933,37.571779822664226]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44034546961399,37.57478268091747]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4356773152602,37.57452844246514]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43593402471554,37.57152558421189]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0348/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p348","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0348/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0348","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"212.2,1254.7 240.9,135.5 326.5,138.3 382.1,239.1 735.6,763.2 1034.2,1272.1 212.2,1254.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0348/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4403603867388,37.57411681976703]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4402026183363,37.57707674207036]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43560108789784,37.57692049647387]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43575885630034,37.573960574170535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0349/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p349","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0349/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0349","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"882.1,779.7 1088.0,743.8 1088.0,1074.3 776.4,1130.8 50.6,1146.0 46.0,833.5 0.0,834.3 0.0,803.6 45.4,803.0 35.5,114.5 133.9,113.1 131.7,2.5 327.9,0.0 331.8,110.4 877.6,102.9 882.1,779.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0349/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43656794544322,37.573082604318955]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43627782041565,37.57607652225832]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43162348546993,37.575789194754584]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43191361049749,37.57279527681522]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0350/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p350","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0350/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0350","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,93.3 479.0,99.0 700.4,492.4 850.2,619.4 907.4,972.4 186.8,1072.1 195.4,741.0 0.0,769.7 0.0,93.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0350/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[332.0,721.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4337582,37.576293]}},{"type":"Feature","properties":{"resourceCoords":[479.0,99.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4358745,37.5767832]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0351/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p351","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0351/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0351","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"863.1,755.6 939.3,661.5 1088.0,792.9 1088.0,1350.0 155.7,1350.0 92.1,266.5 -0.0,318.1 -0.0,0.0 307.4,0.0 230.7,90.2 768.2,533.0 779.6,688.9 863.1,755.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0351/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43318514681471,37.57898983124324]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42939551672208,37.579083495684415]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42924990089946,37.57533054597297]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43303953099209,37.575236881531794]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0352/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p352","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0352/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0352","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.1,1141.7 159.6,330.6 1082.4,0.0 1088.0,0.0 1088.0,1168.9 768.0,1196.5 113.1,1141.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0352/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43307978528449,37.57616651383463]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4292650484924,37.576227252796016]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42917062401823,37.57244929492561]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43298536081032,37.572388555964224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0353/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p353","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0353/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0353","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1088.0,1059.7 757.0,1083.2 380.4,1095.3 371.6,1023.7 172.2,744.1 133.8,797.0 46.6,733.8 27.4,576.7 -0.0,556.2 0.0,-0.0 1088.0,0.0 1088.0,1059.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0353/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[348.0,203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4293166,37.5785831]}},{"type":"Feature","properties":{"resourceCoords":[875.0,590.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4275161,37.5774938]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0354/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p354","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0354/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0354","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"337.5,1350.0 334.8,417.1 -0.0,444.6 -0.0,297.2 331.9,291.4 326.7,0.0 711.5,0.0 738.5,382.6 1088.0,359.5 1088.0,1350.0 337.5,1350.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0354/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43040546955889,37.57611899681058]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4266603515843,37.57615833138158]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42659920234702,37.572449316100325]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43034432032161,37.572409981529326]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0355/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p355","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0355/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0355","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"198.6,513.5 123.4,191.1 145.5,112.3 253.3,-0.0 691.5,-0.0 720.8,33.6 758.6,-0.0 1088.0,-0.0 1088.0,954.2 915.0,952.0 908.2,1225.4 578.7,750.2 520.7,792.3 842.2,1235.5 184.9,1225.8 198.6,513.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0355/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[327.0,336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4300844,37.580502]}},{"type":"Feature","properties":{"resourceCoords":[915.0,952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4297395,37.5781412]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0356/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p356","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"25"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0356/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0356","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"991.8,1040.4 656.8,988.7 330.9,528.6 453.7,49.1 487.9,0.0 1055.0,0.0 1055.0,0.0 1088.0,1.1 1088.0,27.3 1088.0,61.6 1088.0,382.9 1088.0,382.9 1076.2,733.5 1043.8,1048.4 991.8,1040.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0356/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[683.0,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.426571,37.5797303]}},{"type":"Feature","properties":{"resourceCoords":[992.0,1057.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4256217,37.5769816]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0357/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p357","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0357/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0357","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1204.5 0.0,772.7 0.0,599.5 282.9,187.6 727.1,62.4 1088.0,343.3 1088.0,423.0 1088.0,1350.0 435.1,1350.0 140.8,1350.0 0.0,1350.0 0.0,1204.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0357/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42867260612394,37.57442274752961]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42795604308996,37.57738624737036]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4233489221676,37.576676605154546]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42406548520158,37.57371310531379]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0358/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p358","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0358/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0358","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"101.6,1227.0 96.7,477.9 135.0,476.7 127.5,232.7 394.6,234.3 392.5,76.8 866.8,72.3 1025.3,131.6 1040.7,822.8 283.6,1103.8 101.6,1227.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0358/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[399.0,567.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4226305,37.574742]}},{"type":"Feature","properties":{"resourceCoords":[712.0,73.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4241321,37.5758467]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0359/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p359","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0359/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0359","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"445.7,1350.0 215.9,1350.0 42.7,605.9 89.3,137.8 247.4,0.0 389.2,0.0 1088.0,0.0 1088.0,1253.5 445.7,1350.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0359/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42686200896976,37.57452446200008]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42311004787263,37.57406675799701]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42382157431938,37.57035087751645]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42757353541651,37.570808581519515]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0360/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p360","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0360/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0360","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"217.4,1246.1 189.5,300.4 -0.0,300.4 -0.0,19.1 939.0,17.9 1072.2,178.1 1009.2,302.6 1021.0,397.1 825.5,423.6 638.9,907.1 896.6,893.1 935.4,1249.1 217.4,1246.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0360/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42373362224988,37.57411210567286]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42002835692499,37.5735703680269]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42087051325593,37.56990071200799]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42457577858083,37.57044244965395]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0361/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p361","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0361/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0361","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"83.1,532.5 1088.0,14.9 1088.0,99.3 948.6,100.2 955.7,1155.2 113.2,1165.2 83.1,532.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0361/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44359875795625,37.57525535981266]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43983776314461,37.575030315109444]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44018761129877,37.571305525996216]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44394860611041,37.57153057069943]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0362/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p362","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0362/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0362","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"177.0,748.8 29.7,405.4 352.3,238.7 244.9,0.0 770.6,0.0 867.0,175.3 952.1,129.6 1009.7,135.4 1010.4,433.3 1088.0,433.6 1088.0,1175.4 1005.8,1198.4 1004.4,1268.2 1088.0,1268.6 1088.0,1350.0 -0.0,1350.0 -0.0,812.2 177.0,748.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0362/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42256037607926,37.570758903441444]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42062055256106,37.57328738197002]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41668996382366,37.57136617731056]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41862978734186,37.568837698781984]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0363/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p363","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0363/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0363","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,763.1 -0.0,-0.0 538.4,0.0 432.4,150.7 956.3,19.5 965.1,71.3 972.5,985.8 955.7,1029.2 755.0,1191.6 565.6,926.5 545.3,936.5 730.5,1187.2 628.8,1269.4 501.6,1177.4 479.1,1208.9 317.9,1102.2 529.3,872.5 469.6,769.2 456.7,704.1 209.3,504.1 -0.0,763.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0363/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[784.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4451162,37.5637686]}},{"type":"Feature","properties":{"resourceCoords":[389.0,317.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4479575,37.5624055]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0364/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p364","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0364/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0364","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"387.9,1176.1 387.9,1198.1 363.9,1168.7 247.9,1174.4 171.1,1232.0 74.5,1102.3 137.6,1042.9 153.1,1009.9 136.7,63.9 127.1,11.0 -0.0,41.9 -0.0,0.0 146.7,0.0 149.9,18.6 261.9,28.3 261.6,0.0 359.1,0.0 357.3,34.0 804.3,62.7 796.8,0.0 1065.1,0.0 1043.5,60.6 1040.6,393.0 1043.0,487.1 1088.0,502.6 1088.0,1350.0 904.2,1350.0 902.5,1227.3 1052.8,1223.1 1048.2,1110.1 577.1,1111.0 577.5,1184.7 387.9,1176.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0364/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4447655,37.5640579]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.437259,37.5638049]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43765499999999,37.5564214]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4451615,37.5566744]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0365/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p365","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0365/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0365","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.2,587.0 -0.0,589.2 -0.0,196.7 45.6,198.8 50.4,75.6 668.5,49.6 676.4,245.0 699.0,244.2 691.0,48.6 908.0,39.6 915.0,92.2 957.6,145.0 1088.0,179.2 1088.0,378.5 1061.3,373.5 1028.8,543.6 900.9,519.7 908.2,1007.4 842.8,998.5 839.3,1026.6 728.8,1001.8 728.1,982.9 581.7,962.9 576.0,1004.4 155.1,1056.9 282.6,917.6 253.9,914.0 243.6,676.4 59.0,681.3 54.2,587.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0365/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44935034005296,37.56900525369754]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44192665756545,37.56956074782946]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4410631900088,37.56220778134818]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44848687249632,37.561652287216255]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0365A/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p365A","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0365A/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0365A","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"553.5,1350.0 -0.0,1350.0 -0.0,1158.9 182.0,1157.3 187.2,801.3 645.7,800.3 553.5,1350.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0365A/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44452246031967,37.566277293646486]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44400322607972,37.56321788686409]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4487587352819,37.56270359071967]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44927796952186,37.56576299750207]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0365B/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p365B","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0365B/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0365B","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"359.8,479.9 367.6,773.7 367.1,773.8 359.8,479.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0365B/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[808.0,1198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4423104,37.5637889]}},{"type":"Feature","properties":{"resourceCoords":[1008.0,233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4419828,37.5665697]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0366/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p366","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"20"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0366/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0366","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"158.2,378.6 184.0,382.0 185.9,254.1 433.9,259.5 448.1,177.4 591.3,201.8 626.8,0.0 644.8,0.0 610.0,204.8 771.1,233.2 810.9,0.0 980.1,0.0 967.1,75.9 967.2,75.9 892.0,517.4 758.6,669.9 856.4,690.0 809.9,911.7 782.1,925.1 790.0,1010.6 715.0,1105.3 455.1,1066.0 453.2,1127.8 24.3,1034.4 31.1,1001.8 -0.0,997.1 -0.0,519.6 124.0,544.7 158.2,378.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0366/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[738.0,441.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4377601,37.5675162]}},{"type":"Feature","properties":{"resourceCoords":[771.0,233.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4376847,37.5686889]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0367/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p367","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"4"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0367/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0367","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"485.6,315.6 591.0,163.1 771.5,4.7 930.7,0.0 1088.0,0.0 1088.0,1234.3 1019.8,1211.9 442.0,595.9 485.6,315.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0367/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[940.0,667.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4269402,37.5607422]}},{"type":"Feature","properties":{"resourceCoords":[936.0,440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4286809,37.5610391]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0368/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p368","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"7"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0368/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0368","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"125.5,519.6 536.6,421.5 521.9,359.4 773.9,296.4 821.6,1077.5 796.9,1161.7 621.1,1110.5 620.9,1111.1 145.3,971.4 125.5,519.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0368/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[356.0,1033.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4240782,37.5623577]}},{"type":"Feature","properties":{"resourceCoords":[184.0,982.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4247567,37.5615029]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0369/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p369","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0369/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0369","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"933.0,291.1 1009.4,292.4 1009.6,162.9 1088.0,150.9 1088.0,566.8 1004.1,570.7 1029.3,1151.8 936.8,1153.0 869.3,1350.0 570.8,1350.0 517.0,1330.2 545.7,1250.0 467.8,1221.8 0.0,959.2 0.0,164.6 197.3,126.4 232.3,142.8 227.8,288.4 925.2,175.8 933.0,291.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0369/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42941538587719,37.56592984021343]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4277731417349,37.57180918312347]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41863388357469,37.57018264100537]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42027612771697,37.564303298095325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0369A/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p369A","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0369A/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0369A","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"579.1,1339.3 573.7,1350.0 580.4,1317.5 579.1,1339.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0369A/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41992020310646,37.570977399451685]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41661944850807,37.569475371867775]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41895431434155,37.566206190903394]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42225506893993,37.567708218487304]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0369B/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p369B","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0369B/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0369B","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"268.7,1350.0 192.9,1350.0 172.4,1350.0 164.8,795.7 426.1,74.3 776.5,70.2 1088.0,529.0 1088.0,651.7 1088.0,1064.6 1047.0,1215.7 268.7,1350.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0369B/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[434.0,1216.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4172345,37.5692398]}},{"type":"Feature","properties":{"resourceCoords":[78.0,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4161625,37.5724667]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0370/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p370","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0370/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0370","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"535.2,1162.2 -0.0,1166.5 0.0,0.0 1088.0,-0.0 1088.0,1350.0 534.4,1350.0 535.2,1162.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0370/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[174.0,663.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4181624,37.5680414]}},{"type":"Feature","properties":{"resourceCoords":[174.0,1166.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4191136,37.5668614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0371/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p371","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0371/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0371","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"136.4,408.6 135.6,240.3 262.6,228.6 266.6,410.0 442.8,411.4 443.2,345.0 403.4,228.3 972.0,231.2 973.8,588.1 1088.0,586.9 1088.0,1350.0 -0.0,1350.0 -0.0,683.4 89.5,683.5 88.6,408.1 136.4,408.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0371/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4277464852439,37.560073891316556]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42373460073422,37.56522481852383]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4157284634312,37.56125088546272]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41974034794087,37.556099958255444]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0372/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p372","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0372/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0372","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"183.7,235.6 184.2,147.6 422.9,186.4 423.0,189.8 477.1,199.4 476.4,197.2 599.4,222.0 599.4,236.6 780.2,239.4 777.0,589.8 683.5,587.8 679.0,863.4 1088.0,870.0 1088.0,1350.0 176.1,1344.8 181.3,588.0 67.7,589.1 68.3,235.2 183.7,235.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0372/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[778.0,410.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4191136,37.5668614]}},{"type":"Feature","properties":{"resourceCoords":[68.0,410.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4217425,37.5634805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0373/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p373","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0373/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0373","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1006.6,667.0 967.8,821.9 1000.7,943.5 688.7,919.9 666.9,1114.8 293.2,1102.4 247.8,1144.5 205.7,1160.7 33.4,1173.0 0.0,1134.8 65.1,1131.8 92.6,1003.1 142.3,959.3 193.3,950.1 174.9,738.9 0.0,753.9 0.0,731.7 173.0,717.0 120.3,115.1 0.0,115.8 0.0,-0.0 1088.0,0.0 1088.0,659.5 1006.6,667.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0373/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4497243245596,37.56791442287623]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4500932227963,37.57400229458819]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4406294548954,37.57436765184434]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4402605566587,37.56827978013238]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0374/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p374","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0374/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0374","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"808.6,0.0 807.9,17.7 1088.0,0.0 1088.0,9.4 974.2,20.2 941.8,541.9 1088.0,530.2 1088.0,552.9 940.6,564.8 904.4,1125.1 205.8,1114.8 135.4,906.3 101.9,760.7 143.3,628.5 225.2,621.5 229.4,0.0 808.6,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0374/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4497166337445,37.572736772817514]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.45013540150893,37.57879149570268]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44072254510844,37.5792062165121]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44030377734401,37.57315149362693]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0375/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p375","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0375/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0375","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1350.0 0.0,0.0 1088.0,0.0 1088.0,50.5 876.7,54.6 1014.4,1204.8 735.3,1197.1 717.9,1050.6 695.3,1051.5 712.5,1196.8 191.4,1184.2 176.4,1071.2 166.9,1071.5 195.2,1350.0 -0.0,1350.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0375/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.45143330129962,37.58476345633067]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4438151818816,37.584867859320916]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44365286281156,37.57732387261889]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.45127098222957,37.577219469628645]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0376/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p376","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0376/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0376","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"850.7,1238.7 156.8,1198.3 53.6,44.0 68.4,44.2 265.1,46.3 266.4,0.0 1088.0,0.0 1088.0,338.1 968.1,336.7 1023.4,981.8 825.3,981.6 850.7,1238.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0376/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44567791438502,37.58477400537079]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43806964733952,37.58506109295008]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43762330150226,37.57752687102437]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44523156854775,37.57723978344508]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0377/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p377","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0377/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0377","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"389.7,776.1 128.7,773.9 167.1,402.6 -0.0,397.4 -0.0,131.5 148.7,138.2 142.8,52.3 157.5,59.4 551.4,29.2 562.2,17.1 631.7,106.9 794.0,595.5 914.2,882.6 1019.5,1269.0 320.0,1188.9 389.7,776.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0377/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43442099103682,37.580875111771746]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.43326163711863,37.574929822940355]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44250452233784,37.57378169263977]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.44366387625602,37.57972698147116]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0378/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p378","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"2"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0378/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0378","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"195.9,1181.7 -0.0,239.9 -0.0,-0.0 1088.0,0.0 1088.0,394.2 756.0,1325.2 735.3,1328.3 195.9,1181.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0378/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[176.0,856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4384897,37.5813587]}},{"type":"Feature","properties":{"resourceCoords":[114.0,243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.439218,37.5847252]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0379__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p379 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"5400.0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0379__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0379","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,942.4 82.9,932.8 94.0,941.7 118.8,1125.7 98.5,1127.9 122.9,1329.9 135.1,1339.9 123.2,1350.0 295.8,1350.0 297.5,1274.5 250.8,1296.3 262.9,1140.7 412.3,1152.3 617.0,942.9 685.7,817.1 733.4,781.2 810.0,777.3 884.2,847.2 885.9,784.8 971.2,793.2 966.1,947.2 1088.0,950.6 1088.0,0.0 421.4,0.0 417.5,60.5 398.0,60.0 408.1,82.0 485.4,81.9 479.5,229.1 409.1,229.6 405.1,375.0 280.3,555.6 215.1,680.4 -0.0,466.2 -0.0,942.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0379__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[83.0,933.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4346269,37.5800506]}},{"type":"Feature","properties":{"resourceCoords":[780.0,774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4297916,37.5813741]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0380/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p380","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0380/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0380","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1287.5 -0.0,1276.8 -0.0,167.9 0.0,0.0 1088.0,0.0 1088.0,724.1 560.4,1209.9 326.0,1350.0 287.5,1350.0 -0.0,1287.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0380/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[324.0,1045.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4266634,37.580622]}},{"type":"Feature","properties":{"resourceCoords":[324.0,1205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.426571,37.5797303]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p381","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"155.2,0.0 1088.0,1.7 1088.0,1350.0 -0.0,1350.0 0.0,-0.0 155.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[995.0,356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4206475,37.5763044]}},{"type":"Feature","properties":{"resourceCoords":[995.0,1068.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4185133,37.5752664]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381A/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p381A","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381A/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381A","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"874.1,95.2 862.5,1183.1 906.8,1350.0 91.0,1350.0 148.2,1179.3 144.7,94.2 874.1,95.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381A/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42207661461947,37.576838093486515]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42011279555794,37.57939126387837]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41614349913074,37.57744645251411]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41810731819227,37.574893282122254]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381B/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p381B","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381B/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381B","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.1,378.1 1052.3,381.9 1051.0,835.0 1071.1,850.0 121.8,1112.6 122.1,378.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381B/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42069006389467,37.57292687795382]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41873213198497,37.57548125123189]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41476117299173,37.573542168714965]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41671910490143,37.57098779543689]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381C/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p381C","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381C/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381C","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.1,269.1 899.6,260.7 1057.0,830.6 1062.5,1201.1 560.4,1206.5 52.6,836.6 48.5,385.0 86.1,269.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381C/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4188899150646,37.575300825700396]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.416887688515,37.57784437708451]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41293342983865,37.57586148809414]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41493565638824,37.573317936710026]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381D/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p381D","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381D/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381D","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"35.8,484.9 36.4,108.5 36.0,484.9 35.8,484.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0381D/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41706332351737,37.57769522485699]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41508709315734,37.580240687939416]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41112973462994,37.57828360731302]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41310596498997,37.57573814423059]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0382__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p382 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"5400.0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0382__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0382","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,107.0 -0.0,894.5 268.9,816.8 425.1,1350.0 1088.0,1350.0 1088.0,0.0 681.6,0.0 696.0,35.1 601.2,98.0 -0.0,107.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0382__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[667.0,252.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.416818,37.581486]}},{"type":"Feature","properties":{"resourceCoords":[93.0,106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.419872,37.5791973]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0384/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p384","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0384/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0384","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.9,1230.0 -0.0,1220.2 2.0,0.0 1088.0,0.0 1088.0,1350.0 41.1,1350.0 82.6,1201.3 44.1,1190.5 32.9,1230.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0384/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41495692219507,37.57789831485995]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4076871230272,37.57624636431237]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41025520642164,37.56904657016896]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.41752500558951,37.57069852071654]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0388/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p388","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0388/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0388","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1282.3 -0.0,1050.5 -0.0,955.1 -0.0,0.0 1025.2,0.0 1047.2,111.8 1088.0,779.9 1088.0,1350.0 935.3,1350.0 -0.0,1282.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0388/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[372.0,787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4235325,37.5785587]}},{"type":"Feature","properties":{"resourceCoords":[717.0,-17.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.4201364,37.5826704]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0389/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Richmond, Virginia | 1952 | sanborn09064_018 p389","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T14:36:43Z","modified":"2026-09-21T14:36:43Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0389/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0389","type":"ImageService3","width":1088,"height":1350},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"600.6,202.5 641.3,307.4 799.9,271.1 856.9,237.4 1012.6,49.2 983.8,0.0 1088.0,0.0 1088.0,576.1 1021.0,577.3 1022.4,670.4 943.8,670.0 944.6,1046.7 1088.0,1047.2 1088.0,1350.0 -0.0,1350.0 -0.0,112.3 106.3,117.0 79.5,0.0 247.5,0.0 279.1,68.0 362.4,50.0 600.6,202.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g09064195203:09064_03_1952-0389/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4331505794209,37.55300354615717]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42914016906295,37.55819629607237]}},{"type":"Feature","properties":{"resourceCoords":[1088.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.42106977204955,37.554223456144086]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1350.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.4250801824075,37.54903070622889]}}]}}]}