{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08183_010.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Spartanburg, South-Carolina | 1953 | 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:gmd391m:g3914m:g3914sm:g3914sm_g081831953:08183_1953-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Spartanburg, South-Carolina | 1953 | sanborn08183_010 p0","metadata":[{"label":"streets","value":"310"},{"label":"intersections","value":"333"}],"created":"2026-10-18T02:49:33Z","modified":"2026-10-18T02:49:33Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914sm:g3914sm_g081831953:08183_1953-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914sm:g3914sm_g081831953:08183_1953-0000","type":"ImageService3","width":1100,"height":1380},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1380.0 0.0,0.0 1100.0,0.0 1100.0,1380.0 0.0,1380.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd391m:g3914m:g3914sm:g3914sm_g081831953:08183_1953-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[555.2,929.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.9315526,34.9324545]}},{"type":"Feature","properties":{"resourceCoords":[890.0,310.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-81.906081,34.973947]}}]}}]}