{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00947_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Alamosa, Colorado | 1904 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"8"},{"label":"placed","value":"6"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 6"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p1__3 (tier 4, 37.46757,-105.86537 +/-342m); p1__4 (tier 4, 37.46757,-105.86537 +/-342m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0001__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 | 1904 | sanborn00947_005 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.57"},{"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":"1568.0"},{"label":"split_canvas_h","value":"3002.4"}],"created":"2026-10-22T13:17:11Z","modified":"2026-10-22T13:17:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.4,234.8 35.9,667.3 306.6,683.9 347.1,618.4 390.9,618.9 389.0,397.5 388.5,331.2 387.4,199.2 335.3,198.4 333.6,99.3 76.6,59.5 41.4,234.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[334.0,700.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8671322,37.4692679]}},{"type":"Feature","properties":{"resourceCoords":[334.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8654655,37.4692845]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0001__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 | 1904 | sanborn00947_005 p1 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.62"},{"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":"2026-10-22T13:17:11Z","modified":"2026-10-22T13:17:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1570.2,561.4 1511.8,518.2 1126.9,518.4 1126.7,515.9 1123.0,515.9 1122.6,471.3 1091.1,126.4 855.9,105.1 777.6,404.5 456.9,404.7 391.8,724.1 392.0,747.5 387.0,747.5 385.7,754.0 57.8,754.1 44.0,1687.9 94.0,1809.0 65.2,1805.1 68.5,1912.0 74.5,1912.0 138.3,1912.0 546.3,1754.6 1582.3,1754.2 1603.2,1754.1 1593.5,1068.8 1587.3,1068.9 1588.3,587.7 1570.2,561.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[65.0,1067.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.863825,37.4692839]}},{"type":"Feature","properties":{"resourceCoords":[65.0,1755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8654655,37.4692845]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0002__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 | 1904 | sanborn00947_005 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":"2026-10-22T13:17:11Z","modified":"2026-10-22T13:17:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"355.6,130.5 1.0,269.3 1.0,738.9 107.6,738.3 188.5,1283.2 467.2,1318.1 514.4,1317.7 514.6,1324.0 637.5,1790.8 1013.0,1803.0 1058.4,1030.6 1107.8,949.3 1107.8,941.5 1112.5,941.5 1114.6,938.2 1334.2,937.0 1489.3,822.8 1514.0,142.7 1612.0,148.6 1612.0,123.7 1385.0,124.9 355.6,130.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1010.0,821.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8671304,37.4671344]}},{"type":"Feature","properties":{"resourceCoords":[1010.0,127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8654652,37.4671272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0002__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 | 1904 | sanborn00947_005 p2 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4431.2"},{"label":"split_canvas_y","value":"3766.0"},{"label":"split_canvas_w","value":"2020.8"},{"label":"split_canvas_h","value":"3886.0"}],"created":"2026-10-22T13:17:11Z","modified":"2026-10-22T13:17:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1177.7,1119.6 1204.2,1121.3 1168.0,1789.3 1189.3,1853.3 1345.4,1874.8 1530.0,1832.4 1523.1,1661.8 1587.1,1612.1 1580.5,1114.7 1612.0,1113.8 1612.0,1112.3 1612.0,1081.7 1177.7,1081.4 1177.7,1119.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1177.7,1081.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.865465,37.4655976]}},{"type":"Feature","properties":{"resourceCoords":[1177.7,1775.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8671239,37.4655962]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0002__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 | 1904 | sanborn00947_005 p2 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.75"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5270.8"},{"label":"split_canvas_w","value":"2074.8"},{"label":"split_canvas_h","value":"2381.2"}],"created":"2026-10-22T13:17:11Z","modified":"2026-10-22T13:17:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"499.7,1723.3 487.4,1333.3 189.0,1324.7 25.3,1380.7 4.2,1323.8 1.3,1906.1 463.3,1894.2 463.2,1912.0 465.3,1912.0 499.7,1723.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1317.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.86452623396066,37.47076222016818]}},{"type":"Feature","properties":{"resourceCoords":[518.7,1317.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.8645199262248,37.46977763353337]}},{"type":"Feature","properties":{"resourceCoords":[518.7,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.86594455472482,37.469771884648516]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.86595086246068,37.47075647128333]}},{"type":"Feature","properties":{"resourceCoords":[198.9,1711.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8654656,37.4703809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Alamosa, Colorado | 1904 | sanborn00947_005 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:17:11Z","modified":"2026-10-22T13:17:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"449.4,1877.9 449.4,1839.0 892.2,1838.8 892.2,1871.5 1576.8,1850.7 1540.6,48.1 440.3,26.4 418.6,106.0 143.5,113.3 34.9,308.8 22.6,604.7 1.0,626.7 1.0,638.6 18.4,654.5 17.1,1143.1 23.5,1143.0 33.0,1839.1 243.8,1839.0 243.6,1864.5 244.6,1864.6 449.4,1877.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314am:g009471904:00947_1904-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1010.0,434.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8621663,37.4645528]}},{"type":"Feature","properties":{"resourceCoords":[1010.0,1839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.8654649,37.4645528]}}]}}]}