{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn09057_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Pocahontas, Virginia | 1903 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"6"},{"label":"placed","value":"2"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 37.30462,-81.33978 +/-153m); p1__2 (tier 2, 37.30353,-81.33928 +/-100m); p3__1 (tier 2, 37.30521,-81.33886 +/-214m); p3__3 (tier 1, 37.30299,-81.33912 +/-137m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571903:09057_1903-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Pocahontas, Virginia | 1903 | sanborn09057_003 p2","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T21:28:02Z","modified":"2026-09-21T21:28:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571903:09057_1903-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571903:09057_1903-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7228.3 0.0,-0.0 6452.0,0.0 6452.0,7652.0 547.3,7652.0 545.8,7225.7 -0.0,7228.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571903:09057_1903-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[544.0,3804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.340111,37.304519]}},{"type":"Feature","properties":{"resourceCoords":[544.0,6044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.339474,37.303597]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571903:09057_1903-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Pocahontas, Virginia | 1903 | sanborn09057_003 p3 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2447.6"},{"label":"split_canvas_y","value":"3512.0"},{"label":"split_canvas_w","value":"4004.4"},{"label":"split_canvas_h","value":"4140.0"}],"created":"2026-09-21T21:28:02Z","modified":"2026-09-21T21:28:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571903:09057_1903-0003__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571903:09057_1903-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5936.5,3887.6 5391.6,3884.9 5395.1,3522.2 2451.2,3550.8 2448.8,4225.6 2447.6,4680.8 3586.0,4692.8 3884.8,5456.0 3883.2,7072.0 3882.8,7652.0 6452.0,7652.0 6452.0,4318.1 5933.8,4313.1 5936.5,3887.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd388m:g3884m:g3884pm:g3884pm_g090571903:09057_1903-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[2447.6,3512.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.34104060647374,37.30245887924699]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,3512.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.33898068221562,37.30338419203116]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.33778066307843,37.30168619975572]}},{"type":"Feature","properties":{"resourceCoords":[2447.6,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.33984058733655,37.30076088697155]}},{"type":"Feature","properties":{"resourceCoords":[5936.5,3887.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.339137,37.303111]}}]}}]}