{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00969_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Castle Rock, Colorado | 1907 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"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:g009691907:00969_1907-0001/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 | 1907 | sanborn00969_004 p1","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:36:01Z","modified":"2026-10-18T17:36:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691907:00969_1907-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691907:00969_1907-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"177.2,19.8 568.6,95.0 835.3,19.8 1479.0,27.1 1575.3,901.1 1612.0,902.4 1612.0,1268.7 1601.1,1269.6 1592.3,1783.1 1521.1,1885.1 146.5,1868.8 117.5,907.9 118.9,458.9 118.0,168.7 101.6,103.6 177.2,19.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691907:00969_1907-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[118.0,717.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8599974,39.3733274]}},{"type":"Feature","properties":{"resourceCoords":[118.0,1285.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8600125,39.3722678]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691907:00969_1907-0002__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 | 1907 | sanborn00969_004 p2 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.71"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5796.0"},{"label":"split_canvas_w","value":"1864.0"},{"label":"split_canvas_h","value":"1856.0"}],"created":"2026-10-18T17:36:01Z","modified":"2026-10-18T17:36:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691907:00969_1907-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691907:00969_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.6,1912.0 464.2,1912.0 415.4,1762.7 444.7,1538.0 302.8,1470.3 187.4,1557.8 71.7,1544.7 43.6,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691907:00969_1907-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1449.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.85658282180061,39.37311892089457]}},{"type":"Feature","properties":{"resourceCoords":[466.0,1449.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.8554712863055,39.37317487648006]}},{"type":"Feature","properties":{"resourceCoords":[466.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.85539896657714,39.372318540747706]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.85651050207225,39.37226258516222]}},{"type":"Feature","properties":{"resourceCoords":[80.0,1819.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8563343,39.3724453]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691907:00969_1907-0002__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 | 1907 | sanborn00969_004 p2 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"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":"2026-10-18T17:36:01Z","modified":"2026-10-18T17:36:01Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691907:00969_1907-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691907:00969_1907-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1483.2,1858.5 1468.5,876.9 1476.9,418.5 1480.5,122.2 1464.8,55.4 1454.3,66.7 1277.0,80.7 686.6,26.5 58.8,53.4 68.1,1367.8 171.1,1449.5 462.8,1449.0 466.0,1449.0 466.0,1449.2 509.4,1768.4 627.3,1835.3 1483.2,1858.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691907:00969_1907-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1472.0,682.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8599974,39.3733274]}},{"type":"Feature","properties":{"resourceCoords":[912.0,114.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8613265,39.3743608]}}]}}]}