{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08132_003.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Conway, South-Carolina | 1938 | 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:gmd391m:g3914m:g3914cm:g3914cm_g081321938:08132_1938-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Conway, South-Carolina | 1938 | sanborn08132_003 p1 [1]","metadata":[{"label":"streets","value":"20"},{"label":"intersections","value":"46"},{"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":"4918.6"}],"created":"2026-09-23T22:46:06Z","modified":"2026-09-23T22:46:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081321938:08132_1938-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081321938:08132_1938-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1228.5 1049.1,1229.2 1613,1229.7 1613,0.0 0.0,0.0 0.0,1228.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914cm:g3914cm_g081321938:08132_1938-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[480.7,495.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.0508002,33.8378402]}},{"type":"Feature","properties":{"resourceCoords":[447.9,619.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-79.0494012,33.8336082]}}]}}]}