{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03207_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mayfield, Kentucky | 1905 | 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:gmd395m:g3954m:g3954mm:g032071905:03207_1905-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mayfield, Kentucky | 1905 | sanborn03207_005 p1","metadata":[{"label":"streets","value":"25"},{"label":"intersections","value":"83"}],"created":"2026-09-22T18:55:06Z","modified":"2026-09-22T18:55:06Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd395m:g3954m:g3954mm:g032071905:03207_1905-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd395m:g3954m:g3954mm:g032071905:03207_1905-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd395m:g3954m:g3954mm:g032071905:03207_1905-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1120.3,261.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.633252,36.745315]}},{"type":"Feature","properties":{"resourceCoords":[952.8,542.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-88.638646,36.738374]}}]}}]}