{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn06975_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Altus, Oklahoma | 1904 | 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":"8"},{"label":"placed","value":"4"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 34.63913,-99.33509 +/-307m); p2__1 (tier 2, 34.63884,-99.33615 +/-193m); p3__2 (tier 2, 34.63933,-99.33443 +/-158m); p3__4 (tier 2, 34.63933,-99.33443 +/-158m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Altus, Oklahoma | 1904 | sanborn06975_001 p1 [1]","metadata":[{"label":"streets","value":"5"},{"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":"2026-09-21T19:26:53Z","modified":"2026-09-21T19:26:53Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,4954.2 5053.5,5000.2 5038.2,4302.4 3728.0,4302.0 3725.6,4656.0 3731.1,2714.3 2574.2,2752.9 2478.0,397.3 669.2,461.3 654.0,-0.0 -0.0,0.0 -0.0,7652.0 6452.0,7652.0 6452.0,4954.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[224.0,472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.3339254,34.641118]}},{"type":"Feature","properties":{"resourceCoords":[2764.0,7400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.3378962,34.640045]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Altus, Oklahoma | 1904 | sanborn06975_001 p2 [2]","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":"2026-09-21T19:26:53Z","modified":"2026-09-21T19:26:53Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5687.2,0.0 5287.2,0.0 -0.0,0.0 -0.0,2681.9 1789.4,2677.3 1808.0,5008.0 4209.9,5006.6 4184.9,7308.9 5434.8,7305.5 6438.1,7330.9 6452.0,-0.0 5687.2,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1808.0,5008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.335262,34.6400595]}},{"type":"Feature","properties":{"resourceCoords":[1808.0,372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.332606,34.6400566]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Altus, Oklahoma | 1904 | sanborn06975_001 p3 [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":"2026-09-21T19:26:53Z","modified":"2026-09-21T19:26:53Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0003__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2843.6,7649.9 2851.6,6536.8 4134.8,6540.4 5135.6,6543.2 6452.0,6546.0 6452.0,-0.0 -0.0,0.0 165.6,612.7 147.4,7648.3 2843.6,7649.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2576.0,5296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.3352519,34.6367343]}},{"type":"Feature","properties":{"resourceCoords":[2576.0,672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.3326074,34.6367329]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Altus, Oklahoma | 1904 | sanborn06975_001 p3 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4134.8"},{"label":"split_canvas_y","value":"6540.4"},{"label":"split_canvas_w","value":"1002.4"},{"label":"split_canvas_h","value":"1111.6"}],"created":"2026-09-21T19:26:53Z","modified":"2026-09-21T19:26:53Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0003__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5045.2,6542.9 4134.8,6540.4 4140.5,7472.9 5045.3,7472.1 5045.2,6542.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069751904:06975_1904-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4134.8,6540.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-99.33579184079198,34.64069504442651]}},{"type":"Feature","properties":{"resourceCoords":[5137.2,6540.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-99.33578861371778,34.641167563823934]}},{"type":"Feature","properties":{"resourceCoords":[5137.2,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-99.33515266255743,34.6411646224721]}},{"type":"Feature","properties":{"resourceCoords":[4134.8,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-99.33515588963164,34.64069210307467]}},{"type":"Feature","properties":{"resourceCoords":[5045.3,7472.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.3352559,34.6411218]}}]}}]}