{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn09384_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Alderson, West-Virginia | 1933 | 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":"7"},{"label":"placed","value":"4"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__1 (tier 2, 37.72622,-80.64327 +/-292m); p1__2 (tier 1, 37.72993,-80.63634 +/-293m); p4__3 (tier 1, 37.72380,-80.64532 +/-137m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alderson, West-Virginia | 1933 | sanborn09384_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:03:56Z","modified":"2026-09-21T22:03:56Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,6053.7 1389.3,5996.2 1373.1,5578.6 425.9,5394.7 322.7,1894.1 1228.5,1854.6 1156.5,0.0 6452.0,0.0 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.64524323880936,37.72511237375136]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.64162384701456,37.72448840103681]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.64255287464844,37.721069128094946]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.64617226644324,37.721693100809496]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alderson, West-Virginia | 1933 | sanborn09384_001 p3","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"34"}],"created":"2026-09-21T22:03:56Z","modified":"2026-09-21T22:03:56Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 6452.0,461.7 5713.9,461.8 5343.5,4717.2 6168.7,4736.0 5942.9,7614.8 6452.0,7564.3 6452.0,7652.0 -0.0,7652.0 -0.0,-0.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[560.0,2136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.6423396,37.730364]}},{"type":"Feature","properties":{"resourceCoords":[5396.0,4180.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.6374387,37.7275424]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alderson, West-Virginia | 1933 | sanborn09384_001 p4 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"},{"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":"2026-09-21T22:03:56Z","modified":"2026-09-21T22:03:56Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0004__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"908.9,7071.9 1412.2,7022.0 1412.2,7108.7 -0.0,7108.5 -0.0,7652.0 2724.0,7652.0 3596.0,7652.0 6452.0,7652.0 6452.0,5124.4 4556.8,5120.8 3482.4,3212.0 3260.8,3212.4 3260.8,2819.2 3263.2,0.0 683.7,0.0 316.7,4207.1 1132.6,4225.7 908.9,7071.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1956.0,4252.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.6357861,37.7266911]}},{"type":"Feature","properties":{"resourceCoords":[552.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.6367437,37.7291588]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alderson, West-Virginia | 1933 | sanborn09384_001 p4 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3260.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3191.2"},{"label":"split_canvas_h","value":"3212.4"}],"created":"2026-09-21T22:03:56Z","modified":"2026-09-21T22:03:56Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0004__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,1131.2 6452.0,0.0 3263.2,0.0 3260.8,2819.2 3260.8,3212.4 3482.4,3212.0 6452.0,3211.2 6452.0,3002.6 5983.8,2890.6 6000.1,1132.1 6452.0,1131.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd389m:g3894m:g3894am:g3894am_g093841933:09384_1933-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5096.3,1132.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.6463177,37.7243765]}},{"type":"Feature","properties":{"resourceCoords":[6000.1,1132.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.6452922,37.7242348]}}]}}]}