{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn09080_009.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Suffolk, Virginia | 1921 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"60"},{"label":"placed","value":"39"},{"label":"unplaced","value":"21"},{"label":"fit sources","value":"georef 20, georef-snap 17, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"15 sheet(s) cut into 35 panels"},{"label":"unplaced pages","value":"p15__1 (tier 1, 36.73664,-76.57231 +/-105m); p15__3 (tier 1, 36.73648,-76.58591 +/-100m); p17__2 (tier 1, 36.73959,-76.58187 +/-100m); p18__1 (tier 1, 36.74215,-76.58360 +/-219m); p18__2 (tier 1, 36.74371,-76.58320 +/-209m); p19__2 (tier 1, 36.73295,-76.57731 +/-154m); p22__2 (tier 2, 36.72570,-76.57862 +/-170m); p24__2 (tier 1, 36.72125,-76.58069 +/-117m); p26__2 (tier 1, 36.72170,-76.58019 +/-100m); p26__3 (tier 1, 36.72163,-76.57636 +/-120m); p27__1 (tier 1, 36.72258,-76.57623 +/-103m); p31__1 (tier 2, 36.72896,-76.57470 +/-149m); p31__2 (tier 2, 36.72896,-76.57470 +/-149m); p32__1 (tier 1, 36.73614,-76.59243 +/-100m); p36__3 (tier 1, 36.71534,-76.58218 +/-100m); p37__2 (tier 1, 36.72356,-76.57181 +/-128m); p37__3 (tier 1, 36.73405,-76.56832 +/-106m); p38 (tier 1, 36.72835,-76.56788 +/-262m); p39__1 (tier 1, 36.71913,-76.58802 +/-100m); p40 (tier 3, 36.73483,-76.56287 +/-507m); p7__2 (tier 1, 36.73388,-76.58507 +/-176m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"818.9,166.1 1307.1,400.2 1481.5,0.0 1613.0,0.0 1613.0,481.1 1093.5,1632.0 1096.5,1719.2 838.7,1619.7 885.3,1913.0 0.0,1913.0 -0.0,-0.0 615.8,0.0 818.9,166.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58173835013024,36.711327641825946]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58260874941382,36.71447324601215]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57798755575828,36.71530660022617]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5771171564747,36.71216099603997]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1502.2,676.3 1444.6,1569.2 711.6,1913.0 411.2,1913.0 604.6,1555.1 163.6,1464.3 195.2,791.0 127.0,784.1 106.3,131.6 559.2,171.7 999.4,353.9 1532.8,438.7 1550.7,506.7 1502.2,676.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58641937286082,36.729655480820426]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58278133664263,36.72895783372183]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58380643520093,36.72547527543944]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58744447141912,36.72617292253804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1497.5,202.1 1565.0,179.0 1493.6,798.3 1541.0,1454.3 1528.2,1913.0 123.7,1913.0 106.8,842.9 13.1,844.0 0.0,394.2 25.1,369.3 518.6,358.9 519.4,171.5 1322.2,165.4 1497.5,202.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58466160465139,36.72554146625007]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58355439887764,36.72837738520185]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57938746162726,36.727317481518206]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58049466740101,36.724481562566424]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"182.7,1743.5 142.1,765.5 216.6,149.4 1393.9,143.1 1385.6,1716.2 182.7,1743.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58367151935013,36.7278924611078]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58257862920884,36.73074601098338]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57838565334356,36.729699844460185]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57947854348485,36.726846294584604]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1562.8,1179.6 1554.1,1720.0 0.0,1766.1 0.0,197.2 1080.7,165.1 1117.3,1180.5 1562.8,1179.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58284614079328,36.730390203347476]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.581731523746,36.733246758527336]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5775340054547,36.73217982612014]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57864862250197,36.72932327094028]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"222.4,124.7 483.8,161.8 1419.5,0.0 1613.0,0.0 1613.0,1913.0 1106.5,1913.0 279.1,1724.6 424.3,1212.4 0.0,1100.4 222.4,124.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5820512810819,36.731803745711176]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58188195663293,36.73484107706071]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57741867641926,36.73467900099147]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57758800086823,36.73164166964194]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0015__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p15 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0015__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1202.5,0.0 979.3,0.0 977.7,320.3 683.7,320.2 681.8,573.2 452.5,746.2 0.0,739.9 -0.0,1913.0 1203.2,1913.0 1473.0,1856.0 1136.8,177.6 1240.0,155.7 1202.5,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[594.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5852873,36.7344636]}},{"type":"Feature","properties":{"resourceCoords":[1473.0,1856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.583326,36.734412]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"87.7,1846.1 65.2,196.7 638.6,180.2 639.1,339.7 693.7,336.8 691.6,174.0 1613.0,102.7 1613.0,1886.8 743.3,1713.0 704.8,1905.6 703.4,1832.5 87.7,1846.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58416992982944,36.73777469003068]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58050271919284,36.73822917895773]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57983483310551,36.734719091231014]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58350204374212,36.734264602303966]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0017__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p17 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0017__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"537.8,1913.0 544.5,1744.1 1503.5,1720.3 1493.4,1913.0 1613.0,1913.0 1613.0,734.7 1082.4,733.1 1001.3,732.8 999.9,0.0 -0.0,0.0 -0.0,1736.6 489.2,1747.7 481.0,1913.0 537.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0017__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58450410874711,36.74050570857475]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58100483247564,36.7410925031929]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58014248610004,36.737743282107196]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58364176237151,36.737156487489045]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p19 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,998.5 789.8,781.0 345.8,572.3 638.1,0.0 637.8,0.0 463.1,49.6 122.5,65.5 121.0,770.1 0.0,769.8 0.0,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[122.0,478.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.576781,36.732877]}},{"type":"Feature","properties":{"resourceCoords":[122.0,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5776852,36.7331181]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1433.5,0.0 1463.9,1813.4 189.5,1836.0 175.0,472.0 -0.0,475.4 -0.0,-0.0 1433.5,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[656.0,1031.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.594945,36.731814]}},{"type":"Feature","properties":{"resourceCoords":[190.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.596331,36.7305]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.3,1620.7 81.3,141.3 785.1,155.9 782.0,276.1 1613.0,291.6 1613.0,1686.0 123.3,1620.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57776798181109,36.73341443910675]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5742106239459,36.73252485495823]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57551781241727,36.72911969444415]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57907517028247,36.730009278592675]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1398.3,1862.2 201.1,1798.9 78.1,0.0 1613.0,0.0 1613.0,772.7 1488.8,766.1 1404.5,1125.0 1362.8,1711.3 1398.3,1862.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57877132761466,36.73051024022031]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5753019659671,36.72950617399913]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57677732073934,36.72618511439972]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5802466823869,36.727189180620904]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0022__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p22 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"692.9,261.0 692.7,261.8 470.6,238.0 456.2,1632.0 555.4,1631.8 555.5,1710.1 1158.4,1744.5 1162.5,1092.5 1539.0,1101.5 1531.4,413.6 1518.1,350.1 692.9,261.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0022__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[340.0,224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5797262,36.7272621]}},{"type":"Feature","properties":{"resourceCoords":[1539.0,1102.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5776559,36.7250611]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p23","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1505.5,1660.0 173.2,1670.5 180.3,1155.7 0.0,1157.9 0.0,0.0 856.7,0.0 859.0,169.0 1520.9,166.3 1519.9,0.0 1613.0,0.0 1613.0,1156.5 1534.7,1156.5 1505.5,1660.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[859.0,1667.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.57956,36.723035]}},{"type":"Feature","properties":{"resourceCoords":[859.0,169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.582879,36.723833]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0024__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p24 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"337.0,1601.5 790.8,1598.6 845.4,1656.0 1464.0,1649.0 1471.7,1136.0 1291.9,1138.2 1293.0,0.0 892.2,0.0 893.1,444.0 393.3,758.0 0.0,765.2 0.0,1913.0 338.9,1913.0 337.0,1601.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0024__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58464983838775,36.72008526381512]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58357676034817,36.7229592467253]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5793216574528,36.721939795089035]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58039473549238,36.719065812178854]}},{"type":"Feature","properties":{"resourceCoords":[1464.0,1649.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.580008,36.721815]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p25","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57963222953154,36.7193647230513]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57597119854137,36.71889907997561]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57665530954478,36.715394054460134]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58031634053495,36.71585969753583]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0026__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p26 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0026__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1459.8 -0.0,1913.0 177.0,1913.0 467.0,1913.0 935.9,1913.0 935.3,1400.7 1015.7,1260.2 1540.7,1260.1 1475.6,728.8 1467.6,209.2 1397.7,207.0 1393.9,276.6 1214.0,259.4 1223.2,73.2 55.9,105.0 57.7,1405.7 -0.0,1459.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0026__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[586.0,783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.57882,36.721546]}},{"type":"Feature","properties":{"resourceCoords":[586.0,105.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.578378,36.722758]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0027__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p27 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0027__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1235.5 742.6,1234.9 742.6,1913.0 1613.0,1913.0 1613.0,44.5 882.3,131.8 0.0,339.2 0.0,1235.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0027__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57786879570715,36.71975644887124]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57643331034525,36.72252708502699]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57233121847594,36.72116333714749]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57376670383783,36.718392700991735]}},{"type":"Feature","properties":{"resourceCoords":[1562.0,573.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.57525,36.722031]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.5,75.4 1495.0,76.5 1499.2,1913.0 121.8,1913.0 181.5,75.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5766426964455,36.72223221460384]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57535879383816,36.7250007524827]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57129104170502,36.72377164666458]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57257494431236,36.72100310878572]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.0,1039.8 173.5,1039.2 138.1,394.3 513.0,378.8 485.6,0.0 1526.5,0.0 1524.6,1536.7 121.1,1678.3 74.0,1039.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0029/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57846549005357,36.726061328027065]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57495628212496,36.725007810158864]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57650420996885,36.72164841183859]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58001341789746,36.722701929706794]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"77.4,1811.8 102.4,10.3 1613.0,0.0 1613.0,245.1 1554.4,238.6 1382.9,1823.9 77.4,1811.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[99.0,523.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.592942,36.732495]}},{"type":"Feature","properties":{"resourceCoords":[1281.0,1827.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.590666,36.729773]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1167.5,1074.2 1181.0,1403.8 138.4,1446.8 104.2,1146.2 41.6,938.0 52.1,358.0 98.3,0.0 1563.4,0.0 1578.6,1069.4 1167.5,1074.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57640844729765,36.72833764232778]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5729644710275,36.72717115674371]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57467843201442,36.72387430210355]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.57812240828457,36.725040787687625]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0032__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p32 [2]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"18"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0032__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1342.5,1805.0 1561.7,1807.7 1567.7,1219.5 1461.3,1220.4 1458.2,531.5 1360.5,532.8 1371.3,292.6 1613.0,294.1 1613.0,0.0 1446.9,0.0 1346.9,0.0 766.7,0.0 763.4,556.5 405.1,1004.1 0.0,1003.9 0.0,1366.3 619.4,1366.2 619.6,1913.0 734.0,1913.0 1356.7,1913.0 1342.5,1805.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0032__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1460.0,813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.596021,36.731971]}},{"type":"Feature","properties":{"resourceCoords":[1342.0,1805.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.597319,36.728464]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0032__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p32 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5464.8"},{"label":"split_canvas_w","value":"2478.4"},{"label":"split_canvas_h","value":"2187.2"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0032__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 520.0,1913.0 619.6,1913.0 619.4,1366.2 0.0,1366.3 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0032__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1366.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.59292538360314,36.73710227795232]}},{"type":"Feature","properties":{"resourceCoords":[619.6,1366.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.59150683727636,36.736906566228235]}},{"type":"Feature","properties":{"resourceCoords":[619.6,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5917223921081,36.73590404430677]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.59314093843489,36.73609975603085]}},{"type":"Feature","properties":{"resourceCoords":[388.8,1393.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.592046,36.73693]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1540.3,114.9 1551.1,1263.3 1052.8,1339.9 1048.8,1417.4 991.4,1436.0 437.4,1434.4 189.8,1472.5 189.6,1719.5 38.5,1780.0 8.9,1757.8 -0.0,739.4 191.7,740.2 194.4,149.6 1540.3,114.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0033/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5965967224691,36.7310990300554]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58942136220776,36.730061284605505]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.59094618102473,36.723192537741916]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.59812154128608,36.72423028319181]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p34","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"19"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 1613.0,0.0 1613.0,338.7 1360.0,307.3 1333.7,332.9 1370.3,489.3 1613.0,526.4 1613.0,773.8 1527.8,1314.0 1537.4,1372.8 1613.0,1388.2 1613.0,1887.5 1367.2,1846.4 1359.2,1913.0 820.8,1913.0 756.0,1850.2 593.4,1802.3 584.1,1913.0 0.0,1913.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[570.0,1305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.593482,36.721792]}},{"type":"Feature","properties":{"resourceCoords":[765.0,471.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.597277,36.722584]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p35","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"22"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1662.6 -0.0,1492.9 42.0,1413.0 -0.0,1270.5 -0.0,877.4 346.9,818.9 627.2,267.9 777.7,256.3 1135.7,52.9 1134.8,0.0 1228.4,0.0 1235.6,248.0 1557.0,250.8 1565.0,585.5 1479.6,588.4 1509.7,1677.2 1613.0,1675.0 1613.0,1913.0 1331.8,1913.0 1318.5,1838.8 1050.3,1843.6 1051.6,1913.0 189.2,1913.0 108.9,1640.2 -0.0,1662.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1565.0,586.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.582879,36.723833]}},{"type":"Feature","properties":{"resourceCoords":[262.0,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.590254,36.72106]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0036__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p36 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3772.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0036__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0036","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1299.3,808.4 1307.2,896.0 1333.5,915.2 1569.5,899.5 1567.2,734.1 1613.0,730.0 1613.0,167.6 1589.9,0.0 558.3,0.0 556.2,111.5 277.6,106.2 272.5,35.8 -0.0,32.1 -0.0,943.0 710.2,942.8 1151.8,942.6 1139.4,807.6 1299.3,808.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0036__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[821.0,453.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.583814,36.717654]}},{"type":"Feature","properties":{"resourceCoords":[385.0,631.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.585978,36.717488]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0036__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p36 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3770.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3882.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0036__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0036","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 604.4,1913.0 1613.0,1250.9 1613.0,942.5 710.2,942.8 687.7,942.8 257.0,977.0 -0.0,1090.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0036__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[257.0,1450.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.583313,36.714349]}},{"type":"Feature","properties":{"resourceCoords":[257.0,976.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.582878,36.716058]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0037__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p37 [1]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"18"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0037__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0037","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"993.0,1836.2 993.5,1913.0 1128.0,1913.0 1613.0,1913.0 1613.0,1049.2 1018.4,1052.0 878.6,907.6 695.2,603.5 695.6,559.8 697.4,374.8 471.9,0.0 0.0,0.0 -0.0,1033.2 299.4,1044.3 289.6,1586.7 82.2,1581.4 84.4,1840.0 993.0,1836.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0037__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[294.0,1325.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.573551,36.726248]}},{"type":"Feature","properties":{"resourceCoords":[889.0,1602.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.571447,36.724518]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0039__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p39 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4473.6"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0039__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0039","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"473.6,1114.0 1613.0,1103.5 1613.0,0.0 -0.0,-0.0 -0.0,1072.7 409.4,1060.0 473.6,1114.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0039__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[638.0,796.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.57438,36.736517]}},{"type":"Feature","properties":{"resourceCoords":[1151.0,796.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.572157,36.737225]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p4 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5911.2"},{"label":"split_canvas_w","value":"2024.8"},{"label":"split_canvas_h","value":"1740.8"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"374.6,1871.0 505.1,1481.0 505.1,1477.8 0.0,1481.1 0.0,1592.2 374.6,1871.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1477.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58687503500688,36.725932293318884]}},{"type":"Feature","properties":{"resourceCoords":[506.2,1477.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58677397470966,36.7268698379865]}},{"type":"Feature","properties":{"resourceCoords":[506.2,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5857654809319,36.72680008364213]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58586654122912,36.72586253897452]}},{"type":"Feature","properties":{"resourceCoords":[374.1,1871.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.585889,36.726563]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p4 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1064.2 929.4,1755.9 922.8,1641.5 1427.5,1612.2 1429.8,1652.0 1544.9,1246.6 1547.7,80.9 0.0,18.7 0.0,1064.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1546.0,549.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5891778,36.7273727]}},{"type":"Feature","properties":{"resourceCoords":[898.0,60.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.590518,36.72631]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"823.8,1750.2 152.2,1669.6 241.2,1330.7 223.5,159.2 1414.4,148.9 1490.2,1709.2 835.6,1682.5 823.8,1750.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.59069869708522,36.72713714090297]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5901022499932,36.730106044951896]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58573980273728,36.72953509360262]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5863362498293,36.726566189553694]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1840.7 285.7,1839.6 26.2,0.0 1613.0,0.0 1613.0,1840.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.59044614195663,36.729703642396565]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58950099517327,36.7326248330214]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58520852302513,36.73172011575641]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5861536698085,36.72879892513158]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p7 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1534.4 1448.9,1604.9 1537.0,185.8 1613.0,151.4 948.7,269.4 951.8,688.3 302.1,1492.2 0.0,1494.3 -0.0,1534.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58788976333767,36.7352324834226]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58422614751622,36.73461107085897]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58514618583285,36.73113054194488]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5888098016543,36.73175195450851]}},{"type":"Feature","properties":{"resourceCoords":[1537.0,186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.5844881,36.7343024]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1529.0,1668.2 56.1,1630.3 55.0,482.2 1087.7,19.7 1361.2,585.9 1496.2,971.1 1529.0,1668.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58431211286302,36.735186112631936]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58076305269294,36.73438448049495]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58194102998044,36.730987345773464]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58549009015051,36.73178897791045]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Suffolk, Virginia | 1921 | sanborn09080_009 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:32:17Z","modified":"2026-09-22T10:32:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1525.8,1839.2 983.9,1789.1 529.4,1634.9 115.5,1621.4 51.4,0.0 1515.5,0.0 1525.8,1839.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884sm:g3884sm_g090801921:09080_1921-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58530743887393,36.73229165124072]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.5817607207166,36.73141042762623]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58305560421063,36.72801539997929]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.58660232236795,36.72889662359378]}}]}}]}