{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00214_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Camden, Arkansas | 1907 | key map | 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"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004cm:g002141907:00214_1907-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Camden, Arkansas | 1907 | sanborn00214_005 p1 [1]","metadata":[{"label":"streets","value":"18"},{"label":"intersections","value":"51"},{"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":"8074.1"}],"created":"2026-09-23T02:12:19Z","modified":"2026-09-23T02:12:19Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004cm:g002141907:00214_1907-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004cm:g002141907:00214_1907-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"834.3,1913 835.3,1465.7 1150.5,1465.3 1150.8,1537.4 1428.0,1537.6 1428.2,1465.0 1613,1464.8 1613,0.0 954.1,0.0 752.6,0.0 0.0,0.0 0.0,773.7 -0.0,1913 834.3,1913\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004cm:g002141907:00214_1907-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[384.4,314.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8305577,33.5857859]}},{"type":"Feature","properties":{"resourceCoords":[354.3,626.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8290712,33.5800776]}}]}}]}