{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01009_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Greeley, Colorado | 1891 | 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":"13"},{"label":"placed","value":"7"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 4, georef-snap 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 40.41721,-104.71009 +/-222m); p1__2 (tier 1, 40.42599,-104.68405 +/-100m); p1__4 (tier 1, 40.42539,-104.68392 +/-100m); p7__1 (tier 1, 40.41337,-104.68179 +/-200m); p7__2 (tier 1, 40.41355,-104.68268 +/-182m); p7__3 (tier 1, 40.41357,-104.68455 +/-133m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greeley, Colorado | 1891 | sanborn01009_003 p1 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.73"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1998.0"},{"label":"split_canvas_y","value":"5792.0"},{"label":"split_canvas_w","value":"1168.8"},{"label":"split_canvas_h","value":"1860.0"}],"created":"2026-10-18T17:59:07Z","modified":"2026-10-18T17:59:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"767.2,1487.2 516.3,1483.2 514.3,1902.0 779.0,1898.8 767.2,1487.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[499.5,1448.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.68423736450859,40.42653907879407]}},{"type":"Feature","properties":{"resourceCoords":[791.7,1448.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.6834944054656,40.42653238846455]}},{"type":"Feature","properties":{"resourceCoords":[791.7,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.6835083357582,40.42563367177243]}},{"type":"Feature","properties":{"resourceCoords":[499.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.6842512948012,40.42564036210195]}},{"type":"Feature","properties":{"resourceCoords":[754.8,1831.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.6835997,40.425793]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0001__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greeley, Colorado | 1891 | sanborn01009_003 p1 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.56"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4720.0"},{"label":"split_canvas_y","value":"5792.0"},{"label":"split_canvas_w","value":"1732.0"},{"label":"split_canvas_h","value":"1860.0"}],"created":"2026-10-18T17:59:07Z","modified":"2026-10-18T17:59:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0001__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1591.7,1906.7 1578.2,1494.8 1209.5,1500.8 1184.8,1885.5 1591.7,1906.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0001__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1180.0,1448.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.68748010044288,40.42049245885313]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1448.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.68639521909505,40.420621605692794]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.68621325896555,40.41973359151138]}},{"type":"Feature","properties":{"resourceCoords":[1180.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.68729814031339,40.41960444467172]}},{"type":"Feature","properties":{"resourceCoords":[1257.0,1842.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.687133,40.419763]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greeley, Colorado | 1891 | sanborn01009_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:59:07Z","modified":"2026-10-18T17:59:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.5,1202.3 61.0,737.2 69.8,88.0 763.4,34.5 1215.3,115.3 1424.9,54.6 1480.1,110.9 1494.4,69.2 1569.7,216.2 1591.7,836.4 1569.2,1729.1 1451.0,1727.2 1449.7,1821.5 747.3,1771.7 750.3,1715.7 583.5,1708.1 258.5,1700.9 44.5,1702.5 50.5,1202.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[89.0,490.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.69072035774663,40.42722229141233]}},{"type":"Feature","properties":{"resourceCoords":[1452.0,490.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.6872529312588,40.42724690515859]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greeley, Colorado | 1891 | sanborn01009_003 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:59:07Z","modified":"2026-10-18T17:59:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.3,1705.1 133.2,1705.0 80.7,1085.2 59.4,1085.3 107.5,393.4 190.0,38.5 1476.8,42.1 1539.5,104.5 1570.9,101.8 1569.9,750.1 1564.9,1214.6 1564.8,1714.1 1338.0,1717.0 1260.9,1690.2 1083.7,1685.4 950.6,1713.8 845.2,1715.1 845.1,1701.7 145.3,1716.0 145.3,1705.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[137.0,489.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.69443431018972,40.42725652044217]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,1211.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.69082899757697,40.42584923035621]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greeley, Colorado | 1891 | sanborn01009_003 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:59:07Z","modified":"2026-10-18T17:59:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1489.5,81.1 63.1,57.4 32.1,1582.1 73.8,1863.3 1437.8,1872.5 1438.1,1843.0 1567.4,1845.4 1576.2,1179.1 1579.3,688.5 1579.6,626.5 1567.3,626.4 1517.2,1.0 1495.5,1.0 1489.5,81.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[132.0,1827.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.69806582684252,40.422588106596706]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,1827.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.69447989189742,40.42259324062693]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greeley, Colorado | 1891 | sanborn01009_003 p5","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:59:07Z","modified":"2026-10-18T17:59:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.8,1354.3 87.7,1820.0 165.7,1868.8 899.7,1869.9 1082.7,1812.0 1365.5,1873.2 1534.9,1871.8 1576.8,1815.0 1589.1,1831.8 1592.0,1326.9 1585.2,1025.9 1588.5,801.1 1566.0,772.3 1568.4,612.4 1570.3,102.9 1340.1,107.1 1261.8,80.4 1081.9,76.5 947.0,106.0 840.1,108.0 840.0,94.3 130.0,112.8 130.2,164.1 132.0,656.8 129.9,1326.0 1.0,1325.0 1.0,1354.5 76.8,1354.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[849.0,1326.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.6926405,40.4225469]}},{"type":"Feature","properties":{"resourceCoords":[132.0,604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.694426,40.423938]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greeley, Colorado | 1891 | sanborn01009_003 p6","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.57"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:59:07Z","modified":"2026-10-18T17:59:07Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"266.2,89.7 592.2,92.9 759.5,98.5 757.3,154.8 1462.3,196.3 1462.5,101.7 1581.0,102.2 1557.9,1833.4 1236.7,1883.2 489.2,1871.2 265.4,1808.9 83.9,1837.3 60.9,1805.2 66.5,1305.4 61.4,1007.4 65.9,785.0 43.7,756.3 47.0,598.0 51.6,93.8 266.2,89.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314gm:g010091891:01009_1891-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[47.0,598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.6908198,40.4238998]}},{"type":"Feature","properties":{"resourceCoords":[1459.0,1314.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.687243,40.42251]}}]}}]}