{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn09465_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Welch, West-Virginia | 1920 | 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":"8"},{"label":"placed","value":"3"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 37.43393,-81.58259 +/-395m); p1__2 (tier 4, 37.43393,-81.58259 +/-395m); p3__2 (tier 1, 37.43465,-81.58270 +/-259m); p3__3 (tier 1, 37.43222,-81.58570 +/-140m); p3__4 (tier 1, 37.43507,-81.57933 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651920:09465_1920-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welch, West-Virginia | 1920 | sanborn09465_003 p1 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2324.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5328.0"}],"created":"2026-09-22T02:19:51Z","modified":"2026-09-22T02:19:51Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651920:09465_1920-0001__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651920:09465_1920-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1220.0,6132.0 3143.0,6362.2 3040.0,7408.2 4014.8,7500.6 4015.8,7490.6 5355.5,7603.7 6206.7,6632.3 6452.0,6086.6 6452.0,4230.0 3460.4,4204.0 3460.8,2324.0 0.0,2331.2 -0.0,5355.6 1279.4,5411.5 1220.0,6132.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651920:09465_1920-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1324.0,3591.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.585716,37.434507]}},{"type":"Feature","properties":{"resourceCoords":[3040.0,7408.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5845592,37.4329991]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651920:09465_1920-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welch, West-Virginia | 1920 | sanborn09465_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T02:19:51Z","modified":"2026-09-22T02:19:51Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651920:09465_1920-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651920:09465_1920-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1178.9,0.0 1183.4,658.2 2956.8,690.6 2959.7,1647.8 5087.4,1612.8 5773.1,654.7 5931.9,0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0 -0.0,-0.0 1178.9,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651920:09465_1920-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58629668942537,37.43372888573092]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58255971140066,37.43380171264916]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58245170308766,37.43025752670373]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58618868111236,37.43018469978549]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651920:09465_1920-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welch, West-Virginia | 1920 | sanborn09465_003 p3 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4970.8"},{"label":"split_canvas_h","value":"3446.0"}],"created":"2026-09-22T02:19:51Z","modified":"2026-09-22T02:19:51Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651920:09465_1920-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651920:09465_1920-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,3387.2 3474.8,3438.8 3929.2,3446.0 4530.4,2457.2 4970.8,0.0 -0.0,-0.0 0.0,3387.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894wm:g3894wm_g094651920:09465_1920-0003__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":[-81.58007238273674,37.4366379860867]}},{"type":"Feature","properties":{"resourceCoords":[4970.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.57732557345963,37.43644133178653]}},{"type":"Feature","properties":{"resourceCoords":[4970.8,3446.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.57749700085166,37.43492945715323]}},{"type":"Feature","properties":{"resourceCoords":[0.0,3446.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-81.58024381012878,37.4351261114534]}},{"type":"Feature","properties":{"resourceCoords":[403.9,148.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.5798559,37.4365575]}}]}}]}