{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01034_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Longmont, Colorado | 1911 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"22"},{"label":"placed","value":"14"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 10, georef-snap 3, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 16 panels"},{"label":"unplaced pages","value":"p11__4 (tier 1, 40.17200,-105.09540 +/-100m); p12__1 (tier 1, 40.17037,-105.09537 +/-285m); p12__2 (tier 1, 40.16929,-105.09506 +/-100m); p12__3 (tier 1, 40.16953,-105.09476 +/-100m); p12__4 (tier 1, 40.16967,-105.09473 +/-108m); p1__3 (tier 1, 40.16406,-105.09848 +/-100m); p4__2 (tier 1, 40.17141,-105.10177 +/-144m); p5__2 (tier 1, 40.16924,-105.09915 +/-106m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"49.1,44.6 798.2,40.8 972.5,38.4 1551.5,38.4 1557.8,924.6 1550.0,924.6 1545.0,1634.5 1055.6,1731.2 1055.6,1710.4 563.1,1722.2 562.9,1677.5 270.9,1798.0 271.1,1832.5 155.5,1848.2 55.1,1782.0 63.9,901.6 55.0,902.3 49.1,44.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[562.0,955.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.1038240252551,40.16388526536695]}},{"type":"Feature","properties":{"resourceCoords":[1047.0,955.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.10254032149346,40.16388018795523]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0011__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p11 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.64"},{"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":"5154.0"}],"created":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0011__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"39.9,278.4 45.6,1189.7 137.2,1281.7 631.6,1254.1 1366.0,1283.5 1549.8,1199.0 1565.4,174.7 1503.5,169.8 1350.5,68.0 1350.3,82.8 831.4,181.8 831.5,159.7 309.9,168.7 310.0,121.4 1.0,246.6 1.0,283.4 39.9,278.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0011__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[829.0,410.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.1025332,40.1618739]}},{"type":"Feature","properties":{"resourceCoords":[829.0,1270.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.10253,40.160231]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p11 [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":"5154.0"},{"label":"split_canvas_w","value":"2130.4"},{"label":"split_canvas_h","value":"2498.0"}],"created":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0011__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"476.1,1684.4 463.2,1685.2 452.9,1590.1 449.2,1574.7 444.5,1558.3 449.2,1558.3 449.2,1554.9 426.2,1342.1 371.9,1308.9 156.1,1311.0 136.3,1358.3 14.4,1312.4 20.1,1898.2 505.8,1900.3 512.2,1912.0 499.6,1780.2 476.1,1684.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1288.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.1103512127129,40.16647462402926]}},{"type":"Feature","properties":{"resourceCoords":[532.6,1288.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.10895734068482,40.16646435870054]}},{"type":"Feature","properties":{"resourceCoords":[532.6,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.10897306851197,40.16521342972292]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.11036694054005,40.165223695051644]}},{"type":"Feature","properties":{"resourceCoords":[56.0,1655.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.110214,40.165739]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0011__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p11 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.24"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1798.0"},{"label":"split_canvas_y","value":"5154.0"},{"label":"split_canvas_w","value":"4654.0"},{"label":"split_canvas_h","value":"2498.0"}],"created":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0011__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1485.1,1498.3 1483.1,1338.1 470.5,1379.0 601.2,1519.4 832.5,1530.9 901.2,1611.3 883.4,1908.5 1542.8,1889.3 1485.1,1498.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0011__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[449.5,1288.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.09592741241856,40.16400379420872]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1288.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.09290700797513,40.163983905329566]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.09292088421915,40.16273578184518]}},{"type":"Feature","properties":{"resourceCoords":[449.5,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.09594128866259,40.16275567072433]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p1 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4203.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3448.4"}],"created":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1564.8,1121.2 111.0,1120.8 103.2,1120.8 95.5,1816.4 240.1,1912.0 709.5,1912.0 946.2,1909.3 965.8,1462.6 997.5,1451.2 997.5,1445.5 997.5,1445.1 1014.3,1445.1 1206.0,1375.7 1506.3,1375.4 1564.8,1121.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1244.0,1120.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.0981912,40.163934]}},{"type":"Feature","properties":{"resourceCoords":[111.0,1120.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.101188,40.1639363]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"558.0,1844.0 42.6,1837.6 46.0,1811.6 59.7,63.6 1463.5,48.5 1545.2,269.0 1496.3,454.6 1583.0,1170.7 1580.4,1845.1 1538.9,1886.2 1057.2,1884.3 1056.2,1846.5 558.0,1844.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1494.0,67.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.100103,40.1758063]}},{"type":"Feature","properties":{"resourceCoords":[558.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.1024863,40.1723159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"901.5,1745.2 888.1,1795.2 63.8,1786.8 66.9,57.8 1433.7,22.9 1536.4,67.8 1541.0,885.0 1541.0,1285.9 1542.7,1762.7 1542.7,1768.2 901.5,1745.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[901.0,885.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.106841,40.1690411]}},{"type":"Feature","properties":{"resourceCoords":[1541.0,885.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.105155,40.1690334]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p4 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"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":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.1,982.0 56.8,1811.3 248.7,1815.5 558.2,1815.4 557.4,1781.7 775.3,1781.4 813.0,1773.5 853.2,1787.4 1070.6,1779.1 1070.3,1800.0 1579.8,1799.3 1573.4,967.2 1566.2,967.6 1568.1,285.5 1567.0,148.2 1074.7,150.7 565.4,149.4 482.0,845.0 482.0,884.5 477.3,884.5 471.4,933.4 287.6,893.6 70.6,990.1 52.1,982.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[567.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.1038037346583,40.17242247594955]}},{"type":"Feature","properties":{"resourceCoords":[1558.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.1012306483959,40.172410691854694]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p5 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.97"},{"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":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1522.7,1748.0 1567.7,951.6 1405.0,904.5 1303.5,952.0 1235.6,870.8 1200.9,322.1 1241.3,132.4 1159.9,64.7 943.1,44.7 56.1,86.3 58.8,915.4 61.0,1750.6 575.8,1748.7 1522.7,1748.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[577.0,917.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.0998499,40.1690344]}},{"type":"Feature","properties":{"resourceCoords":[1215.0,917.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.0981874,40.1690326]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"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":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"951.5,1861.9 1555.5,1812.8 1541.8,926.0 1537.9,590.1 1532.8,147.0 872.6,128.6 874.8,266.0 881.6,304.0 880.2,697.2 807.5,925.8 1.0,977.6 1.0,979.5 25.0,1075.7 53.2,1358.9 88.0,1619.5 339.6,1697.8 639.0,1774.4 638.9,1821.7 951.5,1861.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[890.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.10683806879555,40.16569079975419]}},{"type":"Feature","properties":{"resourceCoords":[1532.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.10519507644305,40.16567346920941]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p6 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.59"},{"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":"3198.8"},{"label":"split_canvas_h","value":"3688.0"}],"created":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"798.7,199.5 798.7,189.3 798.7,153.3 505.5,79.4 259.1,3.7 264.5,43.2 14.8,40.7 29.2,889.7 765.0,904.1 773.2,196.3 798.7,199.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.10959184241405,40.164430851773595]}},{"type":"Feature","properties":{"resourceCoords":[799.7,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.10749993138344,40.164403671095606]}},{"type":"Feature","properties":{"resourceCoords":[799.7,922.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.10754086162217,40.16255848112287]}},{"type":"Feature","properties":{"resourceCoords":[0.0,922.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.10963277265277,40.16258566180086]}},{"type":"Feature","properties":{"resourceCoords":[399.9,48.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.108548,40.164322]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p7","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"988.5,1759.2 816.6,1761.6 78.1,1765.8 77.0,1445.5 75.6,1017.7 74.2,549.8 74.2,156.4 259.8,160.5 559.2,160.6 558.4,127.9 769.2,127.8 805.6,120.0 844.5,133.6 1054.8,125.6 1054.5,145.8 1547.4,145.3 1553.0,956.0 1559.5,1758.8 988.5,1759.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[569.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.103839,40.1673874]}},{"type":"Feature","properties":{"resourceCoords":[1553.0,956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.1011975,40.167376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"55.7,1831.3 56.9,900.1 57.5,44.6 590.0,45.0 1569.4,48.8 1568.0,73.0 1612.0,49.7 1612.0,754.2 1612.0,908.9 1601.8,908.9 1612.0,1504.2 1612.0,1752.5 1612.0,1838.2 1582.1,1838.0 55.7,1831.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[590.0,1834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.099842,40.1639344]}},{"type":"Feature","properties":{"resourceCoords":[590.0,45.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.099856,40.1673784]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Longmont, Colorado | 1911 | sanborn01034_005 p9","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T02:19:20Z","modified":"2026-10-20T02:19:20Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1832.4 1.0,1833.1 88.0,1879.2 552.9,1877.8 559.4,1885.0 1592.8,1848.7 1581.3,119.4 1532.5,29.4 61.7,26.8 2.2,58.8 1.2,59.3 6.4,909.9 1.0,910.0 1.0,1109.8 10.0,1499.3 12.0,1830.0 1.0,1832.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314lm:g010341911:01034_1911-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[974.0,915.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.0948128,40.165706]}},{"type":"Feature","properties":{"resourceCoords":[974.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.0948063,40.1673723]}}]}}]}