{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00947_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Alamosa, Colorado | 1898 | 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":"6"},{"label":"placed","value":"4"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 37.46762,-105.86489 +/-326m); p2__2 (tier 1, 37.46421,-105.86130 +/-110m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0001__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 | 1898 | sanborn00947_004 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.87"},{"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":"2026-10-18T20:49:29Z","modified":"2026-10-18T20:49:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"136.4,1797.9 137.5,1741.9 1504.3,1776.3 1555.2,1777.6 1556.9,1100.8 1560.2,1100.8 1569.1,517.0 1524.0,517.0 1507.5,532.7 1147.4,517.0 1131.9,517.0 1131.9,516.3 1127.9,516.1 1103.3,93.3 1048.1,49.7 584.2,31.0 75.5,109.7 31.3,1030.4 58.5,1347.8 107.2,1370.1 42.1,1720.3 61.4,1791.1 136.4,1797.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[52.0,373.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8621638,37.4692648]}},{"type":"Feature","properties":{"resourceCoords":[1132.0,1767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8654652,37.4671272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0002__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 | 1898 | sanborn00947_004 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"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":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T20:49:29Z","modified":"2026-10-18T20:49:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"144.7,189.0 123.0,1279.5 487.8,1328.5 507.5,1328.6 507.5,1331.1 514.6,1332.0 568.0,1867.0 1031.8,1791.8 1080.0,1008.0 1113.3,955.5 1113.3,954.0 1114.2,954.0 1116.0,951.3 1308.5,938.4 1466.4,789.8 1561.5,441.1 1549.4,186.2 1427.5,131.8 1385.3,131.6 1.0,122.0 1.0,178.8 144.7,189.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1008.0,1516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8687724,37.4671091]}},{"type":"Feature","properties":{"resourceCoords":[1008.0,129.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8654652,37.4671272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0002__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 | 1898 | sanborn00947_004 p2 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"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":"5298.4"},{"label":"split_canvas_w","value":"2030.0"},{"label":"split_canvas_h","value":"2353.6"}],"created":"2026-10-18T20:49:29Z","modified":"2026-10-18T20:49:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"483.0,1349.0 5.5,1325.2 2.6,1894.8 466.0,1897.2 483.0,1349.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1324.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.864516482606,37.4707401302144]}},{"type":"Feature","properties":{"resourceCoords":[507.5,1324.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.8645103237051,37.46977980725936]}},{"type":"Feature","properties":{"resourceCoords":[507.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.86591476641179,37.469774145913796]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.8659209253127,37.47073446886884]}},{"type":"Feature","properties":{"resourceCoords":[187.8,1723.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8654656,37.4703809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alamosa, Colorado | 1898 | sanborn00947_004 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T20:49:29Z","modified":"2026-10-18T20:49:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"55.9,1828.7 65.4,1828.8 55.6,1135.2 59.1,1135.2 58.2,536.9 12.0,537.6 89.8,461.1 121.6,115.3 424.5,103.5 475.6,24.6 1578.4,48.4 1599.0,1841.7 1585.9,1851.2 178.7,1874.9 179.1,1883.9 55.9,1828.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471898:00947_1898-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[449.0,438.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8621786,37.4656198]}},{"type":"Feature","properties":{"resourceCoords":[449.0,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.865465,37.4655976]}}]}}]}