{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00969_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Castle Rock, Colorado | 1902 | 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"},{"label":"pages","value":"3"},{"label":"placed","value":"3"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691902:00969_1902-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Castle Rock, Colorado | 1902 | sanborn00969_003 p1","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T09:15:00Z","modified":"2026-09-22T09:15:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691902:00969_1902-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691902:00969_1902-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1486.8,0.0 1485.0,1224.0 1351.6,1224.0 1350.8,1839.6 1613.0,1840.0 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0 1486.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691902:00969_1902-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[416.0,673.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8626448,39.3733401]}},{"type":"Feature","properties":{"resourceCoords":[1485.0,1224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8600125,39.3722678]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691902:00969_1902-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Castle Rock, Colorado | 1902 | sanborn00969_003 p2 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T09:15:00Z","modified":"2026-09-22T09:15:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691902:00969_1902-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691902:00969_1902-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1179.4 1613.0,952.8 1613.0,0.0 -0.0,-0.0 -0.0,78.7 133.0,78.5 133.8,494.8 133.0,1299.0 -0.0,1299.2 -0.0,1913.0 660.3,1913.0 661.7,1613.4 1019.4,1601.1 1019.9,1913.0 1078.0,1913.0 1359.0,1913.0 1613.0,1913.0 1613.0,1179.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691902:00969_1902-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[133.0,746.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8599974,39.3733274]}},{"type":"Feature","properties":{"resourceCoords":[133.0,1299.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8600125,39.3722678]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691902:00969_1902-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Castle Rock, Colorado | 1902 | sanborn00969_003 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2641.2"},{"label":"split_canvas_y","value":"6404.4"},{"label":"split_canvas_w","value":"1438.4"},{"label":"split_canvas_h","value":"1247.6"}],"created":"2026-09-22T09:15:00Z","modified":"2026-09-22T09:15:00Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691902:00969_1902-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691902:00969_1902-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"696.6,1913.0 1019.9,1913.0 1019.4,1601.1 701.4,1612.0 696.6,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691902:00969_1902-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[660.3,1601.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.85647885883839,39.37289246834017]}},{"type":"Feature","properties":{"resourceCoords":[1019.9,1601.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.85558855175637,39.37293728711423]}},{"type":"Feature","properties":{"resourceCoords":[1019.9,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.85553824129089,39.37234156235286]}},{"type":"Feature","properties":{"resourceCoords":[660.3,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.8564285483729,39.372296743578794]}},{"type":"Feature","properties":{"resourceCoords":[703.2,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8563343,39.3724453]}}]}}]}