{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn07202_014.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Oklahoma City, Oklahoma | 1950 | key map | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024om:g4024om_g07202195002:07202_02_1950-0000__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Oklahoma City, Oklahoma | 1950 | sanborn07202_014 p0 [2]","metadata":[{"label":"streets","value":"93"},{"label":"intersections","value":"728"},{"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":"8102.0"}],"created":"2026-10-18T05:53:09Z","modified":"2026-10-18T05:53:09Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024om:g4024om_g07202195002:07202_02_1950-0000__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024om:g4024om_g07202195002:07202_02_1950-0000","type":"ImageService3","width":1613,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 0.0,0.0 0.0,1188.4 539.0,1188.4 572.6,1188.4 683.6,1188.4 683.6,1333.9 683.6,1920 1613,1920 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd402m:g4024m:g4024om:g4024om_g07202195002:07202_02_1950-0000__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1241.6,582.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.481128,35.5022366]}},{"type":"Feature","properties":{"resourceCoords":[107.5,250.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.5587516,35.5214154]}}]}}]}