{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn09051_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Norton, Virginia | 1923 | 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":"15"},{"label":"placed","value":"11"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 7, georef-snap 3, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 36.93003,-82.63461 +/-200m); p1__2 (tier 1, 36.93135,-82.63427 +/-181m); p6__1 (tier 1, 36.93241,-82.62334 +/-166m); p7__3 (tier 1, 36.93577,-82.61698 +/-172m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norton, Virginia | 1923 | sanborn09051_003 p1 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5462.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2190.0"}],"created":"2026-09-22T22:05:25Z","modified":"2026-09-22T22:05:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0001__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,5537.6 0.0,5462.0 0.0,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,5462.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.63751879154741,36.92947300144524]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,5462.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.63407792843104,36.93062863162905]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.63358672769294,36.929694259998165]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.63702759080931,36.928538629814355]}},{"type":"Feature","properties":{"resourceCoords":[5684.0,7100.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.63412,36.929792]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norton, Virginia | 1923 | sanborn09051_003 p2 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"17"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3110.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T22:05:25Z","modified":"2026-09-22T22:05:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2876.4,6698.2 3109.5,6697.2 3105.6,2288.8 3103.6,0.0 2977.8,-0.0 2974.8,663.7 2819.5,663.0 2815.0,183.4 474.8,192.8 -0.0,-0.0 -0.0,4122.1 838.1,4113.8 842.6,4412.8 543.7,4787.0 555.7,7404.0 2882.8,7381.5 2876.4,6698.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[555.7,7404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.634157,36.933288]}},{"type":"Feature","properties":{"resourceCoords":[1531.2,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.630099,36.93419]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norton, Virginia | 1923 | sanborn09051_003 p2 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"3103.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3348.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T22:05:25Z","modified":"2026-09-22T22:05:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3158.8,7652.0 6452.0,7652.0 6452.0,-0.0 5861.3,-0.0 5864.6,688.0 3522.8,700.1 3525.0,3728.1 3106.9,3730.6 3110.4,7652.0 3158.8,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5864.6,6744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.636809,36.9311889]}},{"type":"Feature","properties":{"resourceCoords":[5864.6,688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.633612,36.932301]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norton, Virginia | 1923 | sanborn09051_003 p3 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2751.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4900.8"}],"created":"2026-09-22T22:05:25Z","modified":"2026-09-22T22:05:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4392.0,7652.0 5564.0,7652.0 6452.0,7652.0 6452.0,2828.0 548.6,2757.7 612.1,3028.5 -0.0,3498.4 -0.0,4933.6 157.7,5285.8 -0.0,5282.9 -0.0,7652.0 4392.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6284.0,4370.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.623911,36.936751]}},{"type":"Feature","properties":{"resourceCoords":[2968.0,4370.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.625661,36.936133]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norton, Virginia | 1923 | sanborn09051_003 p3 [2]","metadata":[{"label":"streets","value":"5"},{"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":"2828.0"}],"created":"2026-09-22T22:05:25Z","modified":"2026-09-22T22:05:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0003__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"456.0,344.0 475.8,2667.2 -0.0,2673.8 0.0,2751.2 6166.9,2824.6 6147.2,1476.1 6303.0,1476.7 6142.2,1130.9 6125.7,0.0 5707.0,195.4 5611.1,0.0 4851.2,0.0 4442.8,286.9 456.0,344.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3328.0,2624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.62827,36.934186]}},{"type":"Feature","properties":{"resourceCoords":[456.0,344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.630335,36.934642]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norton, Virginia | 1923 | sanborn09051_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T22:05:25Z","modified":"2026-09-22T22:05:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.3,7289.7 121.1,6870.3 -0.0,6869.0 -0.0,-0.0 6452.0,0.0 6452.0,7652.0 6151.3,7652.0 5777.9,7347.0 121.3,7289.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.63752422052174,36.93579490635265]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.63413021897392,36.93700995079418]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.63234003161811,36.93376978734252]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.63573403316593,36.93255474290099]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norton, Virginia | 1923 | sanborn09051_003 p5","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-22T22:05:25Z","modified":"2026-09-22T22:05:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6811.1 -0.0,-0.0 6452.0,0.0 6452.0,6291.3 5478.4,7210.6 5383.8,7011.2 4613.6,7000.9 4527.0,7123.7 4195.8,7286.2 153.9,7290.2 352.0,6814.2 -0.0,6811.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5076.0,6360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.627956,36.935948]}},{"type":"Feature","properties":{"resourceCoords":[4136.0,968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.629702,36.938047]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norton, Virginia | 1923 | sanborn09051_003 p6 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1844.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2776.8"}],"created":"2026-09-22T22:05:25Z","modified":"2026-09-22T22:05:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0006__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,1857.2 0.0,1844.8 0.0,4610.8 6452.0,4621.6 6340.4,2038.6 6452.0,2038.5 6452.0,1857.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1844.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.6301538055585,36.930442474756354]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,1844.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.62681087933852,36.93161406344422]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,4621.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.62618469810974,36.93045621391611]}},{"type":"Feature","properties":{"resourceCoords":[0.0,4621.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.62952762432973,36.92928462522824]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0006__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norton, Virginia | 1923 | sanborn09051_003 p6 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4610.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3041.2"}],"created":"2026-09-22T22:05:25Z","modified":"2026-09-22T22:05:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0006__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"453.3,4673.7 457.2,4867.0 345.7,4869.3 508.8,7444.7 -0.0,7454.9 -0.0,7652.0 6452.0,7652.0 6452.0,4621.6 5563.8,4620.1 453.3,4673.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0006__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,4610.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.6270614631728,36.93156199944569]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,4610.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.62368783828728,36.932680292268046]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.62303243955273,36.93139900264382]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.62640606443824,36.93028070982147]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norton, Virginia | 1923 | sanborn09051_003 p7 [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":"3478.0"}],"created":"2026-09-22T22:05:25Z","modified":"2026-09-22T22:05:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0007__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 0.0,-0.0 -0.0,3478.0 6452.0,3470.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0007__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":[-82.62135223773736,36.933546165714304]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.61791661856974,36.93474240053016]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,3478.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.61711508653757,36.93325073881726]}},{"type":"Feature","properties":{"resourceCoords":[0.0,3478.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.62055070570518,36.9320545040014]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Norton, Virginia | 1923 | sanborn09051_003 p7 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3470.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2814.0"}],"created":"2026-09-22T22:05:25Z","modified":"2026-09-22T22:05:25Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0007__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,6193.2 6452.0,3470.0 0.0,3478.0 0.0,6284.0 6452.0,6193.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884nm:g3884nm_g090511923:09051_1923-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,3470.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.6212417606666,36.93370855959423]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,3470.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.61777333437823,36.93481029168107]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,6284.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.61717173381695,36.933600315508755]}},{"type":"Feature","properties":{"resourceCoords":[0.0,6284.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-82.62064016010532,36.93249858342192]}},{"type":"Feature","properties":{"resourceCoords":[6120.0,3685.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-82.617905,36.934661]}}]}}]}