{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00343_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Siloam Springs, Arkansas | 1922 | key map | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003431922:00343_1922-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Siloam Springs, Arkansas | 1922 | sanborn00343_005 p1 [1]","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"25"},{"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":"5258.9"}],"created":"2026-10-22T12:49:49Z","modified":"2026-10-22T12:49:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003431922:00343_1922-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003431922:00343_1922-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 0.0,0.0 0.0,1314.7 1099.5,1314.7 1100.2,1253.5 1613,1249.7 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004sm:g003431922:00343_1922-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[719.3,626.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.5347568,36.1830142]}},{"type":"Feature","properties":{"resourceCoords":[295.4,706.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-94.544556,36.1814513]}}]}}]}