{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03251_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Uniontown, Kentucky | 1909 | 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:g3954um:g032511909:03251_1909-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Uniontown, Kentucky | 1909 | sanborn03251_005 p1 [2]","metadata":[{"label":"streets","value":"22"},{"label":"intersections","value":"53"},{"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":"3180.2"}],"created":"2026-09-22T16:44:21Z","modified":"2026-09-22T16:44:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd395m:g3954m:g3954um:g032511909:03251_1909-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd395m:g3954m:g3954um:g032511909:03251_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,788.2 1613,795.0 1613,795.0 1613,0.0 1581.8,0.0 1355.0,0.0 1140.7,0.0 0.0,-0.0 0.0,788.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd395m:g3954m:g3954um:g032511909:03251_1909-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[767.8,421.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.927691,37.776323]}},{"type":"Feature","properties":{"resourceCoords":[440.2,402.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.934433,37.77248]}}]}}]}