{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00947_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Alamosa, Colorado | 1893 | 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":"4"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alamosa, Colorado | 1893 | sanborn00947_003 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T16:40:16Z","modified":"2026-10-18T16:40:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"162.7,1470.0 38.3,943.6 124.0,683.5 100.7,156.8 461.1,47.4 1305.7,116.7 1457.1,65.7 1507.8,108.8 1494.3,419.2 1567.2,628.2 1503.1,888.2 1593.6,1776.8 160.6,1781.5 162.7,1470.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1043.0,1072.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.86380082551995,37.467150219566676]}},{"type":"Feature","properties":{"resourceCoords":[1043.0,1773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.86545178745239,37.46715452458779]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alamosa, Colorado | 1893 | sanborn00947_003 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.94"},{"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":"2026-10-18T16:40:16Z","modified":"2026-10-18T16:40:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1578.6,114.7 152.0,104.8 133.0,1231.4 182.8,1296.4 505.9,1320.2 506.4,1322.1 511.5,1322.1 511.5,1346.9 547.7,1521.7 612.1,1558.0 582.0,1751.8 962.8,1754.4 1075.6,1015.2 1130.1,948.1 1130.1,943.9 1133.5,943.9 1133.6,943.7 1349.2,938.0 1435.9,866.8 1545.4,608.9 1591.0,250.0 1578.6,114.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1045.0,1509.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8687724,37.4671091]}},{"type":"Feature","properties":{"resourceCoords":[1045.0,111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8654652,37.4671272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alamosa, Colorado | 1893 | sanborn00947_003 p2 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.75"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4488.0"},{"label":"split_canvas_y","value":"3775.6"},{"label":"split_canvas_w","value":"1964.0"},{"label":"split_canvas_h","value":"3876.4"}],"created":"2026-10-18T16:40:16Z","modified":"2026-10-18T16:40:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1154.2,1149.9 1218.1,1853.2 1548.4,1867.9 1505.6,1609.5 1570.4,1444.5 1506.2,1035.5 1262.1,977.8 1154.2,1149.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1192.0,1794.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8671239,37.4655962]}},{"type":"Feature","properties":{"resourceCoords":[1192.0,1093.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.865465,37.4655976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alamosa, Colorado | 1893 | sanborn00947_003 p2 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5275.6"},{"label":"split_canvas_w","value":"2046.0"},{"label":"split_canvas_h","value":"2376.4"}],"created":"2026-10-18T16:40:16Z","modified":"2026-10-18T16:40:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3.7,1909.8 492.5,1883.7 466.5,1345.5 49.6,1357.7 24.9,1364.1 6.7,1321.6 3.7,1909.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471893:00947_1893-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1318.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.86453798840216,37.47071286460968]}},{"type":"Feature","properties":{"resourceCoords":[511.5,1318.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.86453182984815,37.46975259574332]}},{"type":"Feature","properties":{"resourceCoords":[511.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.86593941600728,37.46974692172642]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.8659455745613,37.470707190592776]}},{"type":"Feature","properties":{"resourceCoords":[174.8,1711.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8654656,37.4703809]}}]}}]}