{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00269_002.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hot Springs, Arkansas | 1890 | 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:g4004hm:g002691890:00269_1890-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hot Springs, Arkansas | 1890 | sanborn00269_002 p1","metadata":[{"label":"streets","value":"44"},{"label":"intersections","value":"63"}],"created":"2026-09-23T00:16:07Z","modified":"2026-09-23T00:16:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002691890:00269_1890-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002691890:00269_1890-0001","type":"ImageService3","width":2150,"height":2550},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2550.0 -0.0,-0.0 2150.0,-0.0 2150.0,2550.0 0.0,2550.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004hm:g002691890:00269_1890-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[532.8,2207.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.0575183,34.506176]}},{"type":"Feature","properties":{"resourceCoords":[1006.5,2102.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.0495744,34.5064639]}}]}}]}