{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00969_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Castle Rock, Colorado | 1914 | 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":"4"},{"label":"placed","value":"3"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p2__3 (tier 1, 39.37780,-104.86365 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691914:00969_1914-0001/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 | 1914 | sanborn00969_005 p1","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T18:01:13Z","modified":"2026-10-18T18:01:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691914:00969_1914-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691914:00969_1914-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,133.3 1.0,167.6 116.0,167.5 116.9,454.6 114.5,1570.2 52.4,1572.2 54.9,1801.1 112.8,1864.9 1465.2,1878.6 1579.2,1834.4 1587.2,1261.9 1612.0,1259.7 1612.0,1165.0 1612.0,1030.8 1596.2,842.5 1568.0,811.4 1515.1,561.5 1536.6,183.4 1531.1,125.6 1480.8,39.6 250.1,38.9 114.4,61.8 101.2,155.0 1.0,133.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691914:00969_1914-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[116.0,710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8599974,39.3733274]}},{"type":"Feature","properties":{"resourceCoords":[116.0,1272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8600125,39.3722678]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691914:00969_1914-0002__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 | 1914 | sanborn00969_005 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.83"},{"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":"2026-10-18T18:01:13Z","modified":"2026-10-18T18:01:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691914:00969_1914-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691914:00969_1914-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1380.5,1541.5 1469.2,1541.5 1454.8,398.7 1449.6,104.5 1330.8,106.4 1330.2,71.0 1176.2,40.0 54.6,46.9 45.9,1418.1 391.1,1440.0 455.1,1440.0 455.1,1444.0 457.2,1444.2 474.5,1832.3 607.5,1872.9 1141.8,1837.2 1200.4,1549.7 1204.0,1549.1 1204.0,1541.5 1248.8,1541.5 1302.6,1532.4 1380.5,1541.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691914:00969_1914-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[904.0,1245.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8613512,39.3722778]}},{"type":"Feature","properties":{"resourceCoords":[346.0,682.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8626448,39.3733401]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691914:00969_1914-0002__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 | 1914 | sanborn00969_005 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.80"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5760.0"},{"label":"split_canvas_w","value":"1820.4"},{"label":"split_canvas_h","value":"1892.0"}],"created":"2026-10-18T18:01:13Z","modified":"2026-10-18T18:01:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691914:00969_1914-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691914:00969_1914-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.7,1486.2 67.1,1677.5 49.5,1908.6 394.5,1904.0 375.5,1868.8 427.1,1848.0 334.2,1827.5 339.9,1740.7 445.2,1682.2 436.3,1485.7 263.9,1459.9 93.1,1521.4 65.7,1486.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314cm:g009691914:00969_1914-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1440.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.85655603142645,39.373124611980934]}},{"type":"Feature","properties":{"resourceCoords":[455.1,1440.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.85546091338713,39.37317974109857]}},{"type":"Feature","properties":{"resourceCoords":[455.1,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.85538668379209,39.37230079069218]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.8564818018314,39.372245661574546]}},{"type":"Feature","properties":{"resourceCoords":[68.0,1810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.8563343,39.3724453]}}]}}]}