{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00306_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mineral Springs, Arkansas | 1919 | 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":"2"},{"label":"placed","value":"1"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 33.87507,-93.91361 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g003061919:00306_1919-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mineral Springs, Arkansas | 1919 | sanborn00306_002 p1 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"8600.0"},{"label":"split_canvas_h","value":"10200.0"}],"created":"2026-09-21T14:16:10Z","modified":"2026-09-21T14:16:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g003061919:00306_1919-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g003061919:00306_1919-0001","type":"ImageService3","width":2150,"height":2550},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2150.0,2550.0 2150.0,0.0 531.1,0.0 535.6,384.5 65.5,396.0 0.0,396.0 -0.0,2550.0 2150.0,2550.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g003061919:00306_1919-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[91.0,831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.9148987,33.8752659]}},{"type":"Feature","properties":{"resourceCoords":[837.0,2118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.9136458,33.8741902]}}]}}]}