{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07117_008.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hartshorne, Oklahoma | 1925 | key map | 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"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024hm:g4024hm_g071171925:07117_1925-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartshorne, Oklahoma | 1925 | sanborn07117_008 p1 [1]","metadata":[{"label":"streets","value":"18"},{"label":"intersections","value":"20"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6878.4"},{"label":"split_canvas_h","value":"4021.2"}],"created":"2026-09-22T04:47:50Z","modified":"2026-09-22T04:47:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024hm:g4024hm_g071171925:07117_1925-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024hm:g4024hm_g071171925:07117_1925-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 -0.0,-0.0 0.0,1005.3 972.8,1005.3 972.6,816.0 1613,806.5 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024hm:g4024hm_g071171925:07117_1925-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[168.5,530.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.5686148,34.8395529]}},{"type":"Feature","properties":{"resourceCoords":[229.0,368.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-95.5660044,34.8454276]}}]}}]}