{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn06976_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Alva, Oklahoma | 1915 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"14"},{"label":"placed","value":"10"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 6, georef-snap 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 36.79697,-98.66780 +/-191m); p1__2 (tier 1, 36.80605,-98.66798 +/-198m); p2__1 (tier 1, 36.80765,-98.66966 +/-100m); p2__3 (tier 2, 36.80597,-98.66846 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alva, Oklahoma | 1915 | sanborn06976_007 p10","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"25"}],"created":"2026-09-23T11:53:20Z","modified":"2026-09-23T11:53:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 1436.3,7652.0 1457.8,7288.1 1319.5,7289.3 1315.6,6052.6 -0.0,5975.0 -0.0,5853.6 58.3,5853.6 56.5,132.8 5247.7,124.0 5351.8,88.6 5351.4,-0.0 6452.0,-0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2780.0,2988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6668744,36.8000542]}},{"type":"Feature","properties":{"resourceCoords":[2780.0,7284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6718063,36.8000838]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alva, Oklahoma | 1915 | sanborn06976_007 p2 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"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":"2026-09-23T11:53:20Z","modified":"2026-09-23T11:53:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"405.0,7531.1 6010.3,7556.8 6012.0,5096.0 6452.0,5094.7 6452.0,0.0 3602.0,0.0 3603.6,913.6 2934.8,908.0 2933.6,2161.2 0.0,2166.8 -0.0,2802.3 415.6,2811.2 405.0,7531.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[416.0,5096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6700956,36.8072362]}},{"type":"Feature","properties":{"resourceCoords":[6012.0,5096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6668107,36.8072284]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alva, Oklahoma | 1915 | sanborn06976_007 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-23T11:53:20Z","modified":"2026-09-23T11:53:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6084.0,7416.0 449.8,7441.3 439.1,4943.9 885.6,4940.4 860.8,0.0 6452.0,0.0 6452.0,2339.5 5668.2,2342.6 5678.4,4921.9 6093.5,4920.1 6084.0,7416.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3272.0,7416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6651836,36.8060728]}},{"type":"Feature","properties":{"resourceCoords":[6084.0,7416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6635572,36.8060624]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alva, Oklahoma | 1915 | sanborn06976_007 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T11:53:20Z","modified":"2026-09-23T11:53:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"336.2,7547.9 412.0,2560.0 -0.0,2560.1 0.0,0.0 6452.0,0.0 6452.0,139.6 5785.6,149.8 5822.7,2588.2 6452.0,2591.5 6452.0,7554.9 336.2,7547.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3220.0,2560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6619039,36.8072132]}},{"type":"Feature","properties":{"resourceCoords":[412.0,2560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6635402,36.8072185]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alva, Oklahoma | 1915 | sanborn06976_007 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:53:20Z","modified":"2026-09-23T11:53:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"409.5,2530.7 -0.0,2529.4 -0.0,66.2 6037.7,93.8 6123.0,2860.3 5972.4,7512.4 378.0,7501.0 409.5,2530.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.67035408129234,36.80612117775069]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.66657308849233,36.806115479331694]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.6665814699366,36.80249969454872]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.67036246273662,36.80250539296772]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alva, Oklahoma | 1915 | sanborn06976_007 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:53:20Z","modified":"2026-09-23T11:53:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6024.9,7552.7 428.0,7506.5 577.8,2845.7 491.6,74.1 6062.9,81.6 6024.9,7552.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.6671034433829,36.8061069445709]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.66332949383202,36.80610050292297]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.66333896844026,36.8024914519253]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.66711291799113,36.802497893573225]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alva, Oklahoma | 1915 | sanborn06976_007 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:53:20Z","modified":"2026-09-23T11:53:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6031.0,7474.1 476.6,7489.3 400.9,107.6 6038.1,94.4 6031.0,7474.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.66383134045853,36.80494329244]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.66003730310868,36.80491974573118]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.66007193592992,36.80129142935277]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.66386597327977,36.80131497606159]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alva, Oklahoma | 1915 | sanborn06976_007 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:53:20Z","modified":"2026-09-23T11:53:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 195.9,7652.0 158.4,142.0 6452.0,135.9 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.6636806018885,36.801460266802884]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.65976798420415,36.80144251966987]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.65979408571975,36.797700628971064]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-98.6637067034041,36.79771837610408]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alva, Oklahoma | 1915 | sanborn06976_007 p9 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"20"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3244.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T11:53:20Z","modified":"2026-09-23T11:53:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0009__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,7652.0 2027.7,7652.0 2018.4,7515.0 3243.6,7438.9 3237.8,3930.1 3220.1,3649.1 3013.0,3661.8 2932.0,2407.6 3145.8,2391.7 2999.9,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1804.0,3736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6717574,36.8049317]}},{"type":"Feature","properties":{"resourceCoords":[3160.0,7444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6704773,36.8014222]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alva, Oklahoma | 1915 | sanborn06976_007 p9 [2]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"3231.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3220.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T11:53:20Z","modified":"2026-09-23T11:53:20Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0009__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3294.8,3723.1 3242.6,6815.3 3243.7,7490.8 3694.3,7497.1 3691.7,7652.0 6452.0,7652.0 6452.0,0.0 3231.2,0.0 3233.3,1225.6 3547.1,1232.0 3509.1,3726.1 3294.8,3723.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd402m:g4024m:g4024am:g4024am_g069761915:06976_1915-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4689.8,5016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6586453,36.8036904]}},{"type":"Feature","properties":{"resourceCoords":[3331.1,1228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-98.6602713,36.8071939]}}]}}]}