{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05207_005.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lexington, Nebraska | 1920 | key map | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194lm:g052071920:05207_1920-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lexington, Nebraska | 1920 | sanborn05207_005 p1 [2]","metadata":[{"label":"streets","value":"28"},{"label":"intersections","value":"139"},{"label":"split_canvas_x","value":"3078.9"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3799.6"},{"label":"split_canvas_h","value":"8074.1"}],"created":"2026-10-19T15:58:52Z","modified":"2026-10-19T15:58:52Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194lm:g052071920:05207_1920-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194lm:g052071920:05207_1920-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613,0.0 769.7,0.0 769.7,986.6 1047.3,986.6 1340.1,986.6 1340.1,1913 1613,1913 1613,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd419m:g4194m:g4194lm:g052071920:05207_1920-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[951.4,729.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.747064,40.773998]}},{"type":"Feature","properties":{"resourceCoords":[992.5,300.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-99.74559,40.785367]}}]}}]}