{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08348_020.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Memphis, Tennessee | 1952 | key map | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195201:08348_01_1952-0000/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1952 | sanborn08348_020 p0","metadata":[{"label":"streets","value":"88"},{"label":"intersections","value":"269"}],"created":"2026-09-22T00:42:08Z","modified":"2026-09-22T00:42:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195201:08348_01_1952-0000/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195201:08348_01_1952-0000","type":"ImageService3","width":1650,"height":2018},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1650.0,2018.0 -0.0,2018.0 0.0,0.0 1650.0,0.0 1650.0,2018.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195201:08348_01_1952-0000/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[669.5,614.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0373904,35.1789149]}},{"type":"Feature","properties":{"resourceCoords":[1020.5,1378.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0269891,35.1559665]}}]}}]}