{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00985_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Denver, Colorado | 1890 | mapsnap generated fit (2026-10-24)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-24"},{"label":"run","value":"corpus-v2.2"},{"label":"pages","value":"91"},{"label":"placed","value":"54"},{"label":"unplaced","value":"37"},{"label":"fit sources","value":"georef-snap 38, georef 7, snap:0 6, georef-street 1, snap:1 1, snap:2 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p10L (tier 1, 39.75163,-105.00896 +/-223m); p10R (tier 1, 39.74806,-105.00734 +/-252m); p11L (tier 1, 39.74504,-105.01498 +/-250m); p11R (tier 3, 39.74747,-105.01385 +/-711m); p12R (tier 1, 39.74265,-105.00847 +/-254m); p13L (tier 1, 39.74201,-105.01240 +/-256m); p13R (tier 1, 39.74260,-105.01137 +/-244m); p14L__2 (tier 1, 39.74229,-105.01231 +/-211m); p14L__3 (tier 1, 39.73854,-105.01618 +/-108m); p14R (tier 1, 39.73787,-105.01544 +/-204m); p15L (tier 1, 39.74210,-105.01125 +/-248m); p15R (tier 1, 39.74117,-105.00836 +/-242m); p17L (tier 1, 39.74044,-105.00376 +/-251m); p1L (tier 3, 39.73927,-105.00983 +/-1295m); p23L__1 (tier 1, 39.73574,-105.00622 +/-253m); p23L__2 (tier 1, 39.73337,-105.00436 +/-148m); p23R__2 (tier 1, 39.73523,-105.00821 +/-117m); p25R (tier 1, 39.73209,-104.99801 +/-253m); p26R (tier 1, 39.72891,-104.99800 +/-255m); p30L (tier 1, 39.72608,-104.98982 +/-258m); p31L (tier 1, 39.72611,-104.99522 +/-254m); p40L (tier 1, 39.71657,-104.99062 +/-253m); p41L__1 (tier 1, 39.73874,-105.01630 +/-125m); p41L__2 (tier 1, 39.74019,-105.01571 +/-110m); p41L__3 (tier 1, 39.73997,-105.01916 +/-186m); p41R__1 (tier 1, 39.74039,-105.02101 +/-168m); p41R__2 (tier 1, 39.74002,-105.01845 +/-187m); p41R__3 (tier 1, 39.73976,-105.01863 +/-104m); p4R (tier 3, 39.74402,-104.99668 +/-711m); p6L__1 (tier 1, 39.73870,-104.99368 +/-257m); p6L__2 (tier 1, 39.74096,-104.99389 +/-176m); p6R (tier 1, 39.74029,-104.99048 +/-256m); p7L (tier 1, 39.74149,-104.99935 +/-126m); p7R (tier 1, 39.73994,-104.99645 +/-121m); p8R (tier 1, 39.74355,-105.00622 +/-252m); p9L (tier 1, 39.74686,-105.00560 +/-252m); p9R (tier 1, 39.74585,-105.00486 +/-252m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0012L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p12L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.35"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0012L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0012L","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1261.3,1519.0 1332.7,1649.3 1294.1,1831.4 428.3,1826.0 365.6,1824.0 292.1,1734.6 254.2,1304.2 319.6,133.8 650.1,110.8 848.3,172.9 1175.1,85.8 1246.8,139.5 1344.0,138.5 1363.7,16.0 1373.5,16.5 1365.4,739.0 1343.0,1369.2 1261.3,1519.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0012L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00850024071882,39.746205309461466]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00674652798351,39.74403626405983]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.01078962485639,39.742076282808085]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.0125433375917,39.74424532820972]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0014L__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p14L [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.30"},{"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":"5648.0"},{"label":"split_canvas_h","value":"1956.0"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0014L__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0014L","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"505.4,197.8 309.7,80.5 104.8,85.4 86.2,329.7 273.1,478.6 287.4,478.6 397.0,356.9 494.9,411.7 518.4,358.5 632.2,360.1 622.9,482.2 1154.1,481.8 1140.4,374.6 1224.2,352.9 1133.8,298.1 1084.8,150.6 1029.0,197.3 505.4,197.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0014L__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.01565682728796,39.7400631945821]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.01561262247972,39.737553008520024]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,489.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.01673522047948,39.73754115357661]}},{"type":"Feature","properties":{"resourceCoords":[0.0,489.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.01677942528771,39.74005133963868]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0016L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p16L","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.39"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0016L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0016L","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1356.0,1700.0 1145.5,1841.4 231.1,1844.5 196.9,1912.0 198.0,1291.4 181.9,580.2 172.3,580.0 174.3,564.2 211.3,272.3 272.3,197.1 1312.3,241.8 1394.8,326.8 1391.7,1241.9 1401.9,1237.2 1396.7,1711.7 1356.0,1700.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0016L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[927.0,1295.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.007402,39.7422408]}},{"type":"Feature","properties":{"resourceCoords":[927.0,748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.0062769,39.7427462]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0016R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p16R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.39"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0016R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0016R","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1329.8,1768.1 1309.2,1801.3 1172.0,1758.9 1001.9,1851.5 352.4,1847.2 46.5,1766.8 43.6,1287.9 33.4,1292.8 21.0,369.4 34.7,382.9 60.4,260.9 241.1,225.2 240.8,179.6 297.8,199.4 1396.5,193.6 1397.0,198.0 1402.0,200.0 1402.0,224.0 1411.0,225.0 1411.0,1352.8 1376.7,1412.6 1329.0,1751.0 1337.5,1755.8 1329.8,1768.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0016R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00411242256801,39.74275724011375]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00249185663144,39.740507312410486]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00668547544444,39.73869603369701]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00830604138102,39.74094596140027]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0017R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p17R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.42"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0017R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0017R","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"135.3,2023.7 138.9,1921.9 1229.1,1952.8 1322.5,1811.7 1314.7,597.7 1302.3,597.8 1297.6,74.6 52.8,87.3 1.0,138.9 1.0,1712.4 125.7,2023.7 135.3,2023.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0017R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.0013666932199,39.739269803946684]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00140757724509,39.73666557895168]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00626145900067,39.73671127534498]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00622057497547,39.739315500339984]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0018L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p18L","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0018L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0018L","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"52.0,1885.2 858.9,1888.8 966.4,1889.2 1319.4,1890.4 1394.2,1891.2 1382.0,999.9 1393.2,1000.0 1386.0,415.3 1334.1,323.5 1330.2,65.5 1350.6,66.3 1347.9,10.2 1258.0,9.0 1257.1,1.0 1143.9,1.0 1143.0,9.0 866.0,10.0 865.1,1.0 603.0,1.0 603.0,10.0 598.0,14.0 582.0,14.0 581.1,1.0 566.0,1.0 566.0,13.0 29.0,17.0 17.0,26.0 1.0,25.1 1.0,561.0 56.9,619.0 52.0,1885.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0018L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.0017131,39.7402968]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.9983879,39.7403017]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.9983788,39.7366058]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.001704,39.7366009]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0018R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p18R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.68"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0018R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0018R","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1312.3,1932.8 1312.7,1903.7 1349.0,1904.3 1368.7,1015.0 1360.8,1014.9 1363.3,425.9 1381.6,427.3 1387.0,185.6 978.9,177.8 883.0,65.8 883.2,45.4 843.7,23.8 692.0,24.0 357.0,16.0 21.0,20.0 18.6,18.2 20.3,69.2 1.0,68.1 1.0,325.2 50.4,415.0 48.8,993.8 37.8,993.5 36.6,1875.6 143.0,1878.2 856.9,1896.2 862.6,1907.0 1312.3,1932.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0018R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99857842662497,39.7403073645214]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99523770388066,39.74035112715671]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99515613749652,39.736617150006566]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99849686024083,39.73657338737126]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0019L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p19L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.71"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0019L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0019L","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.0,1032.5 95.9,1552.0 307.6,1875.0 851.8,1995.2 852.4,2005.1 969.0,1872.9 1019.2,1873.2 1020.2,1738.8 1271.4,1011.1 1350.9,1010.8 1348.0,235.7 1275.0,132.8 45.8,118.5 36.1,1002.0 1.0,1001.7 1.0,1030.7 40.0,1032.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0019L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99541038160488,39.73870803298785]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99204694140148,39.738723129798515]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99201880425522,39.734963649294336]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99538224445861,39.73494855248367]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0019R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p19R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.23"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0019R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0019R","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1341.9,154.2 1394.1,1658.0 1342.0,1977.2 1120.2,1985.8 882.7,1903.2 531.2,1988.3 95.1,1959.7 46.5,1180.3 166.3,1041.8 218.4,1041.6 218.1,902.0 471.4,143.5 603.8,143.1 1341.9,154.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0019R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99344767167713,39.737114836855774]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99020959486852,39.737104265498324]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99022929756185,39.73348490975038]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99346737437047,39.73349548110783]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0001R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p1R","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0001R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0001R","type":"ImageService3","width":1419,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1172.0,1543.2 1113.3,1101.8 1034.5,979.6 942.4,539.1 718.8,449.0 682.3,368.7 190.7,220.9 135.3,272.1 147.2,564.5 54.5,778.2 62.3,1773.2 3.5,1872.7 1.0,1928.1 1.0,1949.0 37.4,1913.9 92.7,1890.8 323.4,1888.1 549.1,1721.7 607.0,1688.6 665.7,1669.5 1172.0,1543.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0001R/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1020.0,1051.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.0021189,39.7509611]}},{"type":"Feature","properties":{"resourceCoords":[893.0,564.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.002986,39.7516233]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0020L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p20L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.55"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0020L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0020L","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"130.2,1850.4 78.7,1827.1 66.5,1685.6 102.3,184.0 528.0,87.9 1362.1,115.8 1361.6,149.5 1363.5,149.6 1369.5,1008.8 1374.9,1008.9 1358.5,1895.5 1292.9,1894.5 623.5,1877.6 118.6,1869.0 130.2,1850.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0020L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[704.0,1878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.98738592694647,39.7368544177069]}},{"type":"Feature","properties":{"resourceCoords":[704.0,1020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9874242100473,39.7384107483712]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0020R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p20R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0020R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0020R","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"651.0,1896.8 638.7,1873.9 852.3,1882.2 1094.9,1993.0 1264.6,1935.2 1279.7,237.9 425.9,65.8 189.8,145.2 1.0,141.6 1.0,174.8 1.9,174.8 20.1,1020.0 25.4,1020.0 21.8,1892.6 378.4,1893.0 651.0,1896.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0020R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.9859137612191,39.74033450614209]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98255663796924,39.74034627345651]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98253467460123,39.73658862766882]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98589179785108,39.736576860354404]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0021L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p21L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0021L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0021L","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1380.9,318.9 1391.8,318.9 1388.1,847.3 1381.2,847.3 1379.1,1378.2 1376.1,1378.2 1388.4,1929.5 1178.1,1984.6 127.7,1980.8 72.8,1947.5 74.1,1446.7 81.2,782.8 81.8,360.9 85.6,88.0 158.5,49.2 1050.8,38.5 1294.1,46.9 1330.7,113.4 1400.4,113.8 1380.9,318.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0021L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[957.0,313.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.98486921660168,39.73524650321943]}},{"type":"Feature","properties":{"resourceCoords":[79.0,313.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.98487862205495,39.73685277301577]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0021R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p21R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0021R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0021R","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.5,1378.3 36.5,1378.2 31.3,848.6 38.1,848.6 34.5,321.4 23.7,321.6 40.2,116.8 182.9,115.4 262.5,41.1 781.1,43.6 1110.5,114.1 1300.3,112.3 1324.8,96.0 1335.0,837.8 1338.5,837.7 1341.8,1371.5 1347.8,1991.4 1281.4,1995.4 105.3,1977.0 53.4,1928.0 33.5,1378.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0021R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98411113080715,39.73450916439533]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98414255654433,39.73190492894429]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.9890029232254,39.731940106593974]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98897149748822,39.73454434204501]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0022L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p22L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0022L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0022L","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"55.7,143.9 578.8,150.3 1377.5,159.6 1398.8,159.8 1387.2,1021.8 1389.0,1021.9 1389.1,1882.0 1288.8,1880.8 688.9,1874.2 261.8,1884.3 78.2,1824.2 62.6,295.6 115.5,157.1 55.5,156.2 55.7,143.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0022L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.0029638210297,39.73714577922021]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99960050491318,39.73716937567254]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99955652703763,39.73340997061582]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00291984315415,39.73338637416348]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0022R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p22R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0022R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0022R","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.8,1875.3 31.1,1018.0 29.4,1018.0 28.3,158.6 113.2,158.2 461.6,156.8 640.8,157.3 1348.0,159.2 1353.8,169.8 1296.2,167.8 1348.8,378.9 1342.0,1800.4 1093.0,1889.2 685.8,1886.1 684.7,1873.6 122.2,1875.1 43.8,1875.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0022R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.9996940811567,39.73716826192217]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99632467422892,39.73715372380062]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99635180807847,39.73338216848737]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99972121500626,39.73339670660892]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0023R__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p23R [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"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":"5640.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0023R__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0023R","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1329.1,1725.4 1300.4,142.6 590.8,140.1 509.0,292.1 553.1,766.6 483.9,1057.4 481.0,1058.1 481.0,1064.0 456.6,1064.0 142.4,1140.2 64.7,1518.2 916.1,1741.5 1189.0,1905.8 1254.5,1884.8 1329.1,1725.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0023R__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00252612931753,39.734643457201024]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00247907682376,39.7320168353934]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00738134178287,39.731964166578656]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00742839427664,39.73459078838628]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0024L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p24L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0024L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0024L","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"846.1,2020.7 879.9,1904.2 1340.3,1843.1 1387.2,1409.3 1323.6,13.0 1213.0,10.0 883.0,13.0 882.1,1.0 708.9,1.0 708.0,9.0 683.0,11.0 682.1,1.0 630.8,1.0 628.0,13.0 607.0,13.0 602.0,18.0 581.0,18.0 580.0,10.0 571.0,10.0 569.0,18.0 94.9,20.7 65.2,565.5 59.2,566.2 58.9,586.2 584.0,1075.0 436.6,1073.8 846.1,2020.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0024L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00149138116286,39.73063596717855]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00146136128596,39.727985153710456]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00640138650425,39.72795159557092]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00643140638115,39.730602409039015]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0024R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p24R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.27"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0024R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0024R","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"843.2,565.5 1270.7,1517.1 1224.7,1684.6 890.6,1715.7 615.4,1870.8 135.5,1814.8 67.7,1354.1 110.3,1163.6 61.2,110.2 454.4,57.7 454.3,77.8 992.2,564.6 843.2,565.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0024R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00271873949751,39.73135857396665]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00273646318496,39.7287408158929]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00762180650368,39.72876065666805]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00760408281623,39.731378414741805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0025L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p25L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0025L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0025L","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1176.8,1866.1 58.9,1861.3 44.4,334.0 88.5,162.0 679.2,165.8 855.4,167.1 1411.0,171.1 1411.0,183.5 1270.3,181.0 1325.5,814.8 1193.1,1260.6 1190.6,1822.2 1342.7,1851.6 1350.6,1866.2 1176.8,1866.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0025L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00149838228057,39.73400288214733]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.9980822438743,39.734014584393755]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99806043485131,39.730195955513715]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00147657325759,39.73018425326729]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0026L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p26L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.64"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0026L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0026L","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"804.2,1863.5 1328.8,1869.0 1345.8,1711.8 1204.2,1552.0 1208.7,1272.9 1304.6,1138.5 1280.9,823.1 1376.9,237.8 1342.6,172.9 1169.9,170.8 58.7,152.9 58.6,187.7 1.0,184.1 1.0,1405.2 31.6,1404.1 60.7,1834.0 9.7,1826.1 9.8,1842.5 9.9,1849.7 499.1,1859.8 713.4,1862.4 804.2,1863.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0026L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00148480407103,39.73080215868167]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99804889935864,39.73084539725724]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99796832112447,39.727004490983674]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00140422583686,39.7269612524081]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0027L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p27L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.59"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0027L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0027L","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1227.1,1991.7 1199.7,1991.6 945.3,1505.2 945.3,1502.1 890.8,1501.8 583.5,1501.3 350.4,1743.5 72.8,1859.5 72.1,1990.3 52.9,1990.3 66.5,76.0 79.5,68.8 1334.2,45.7 1394.2,574.5 1342.5,640.0 1339.0,1991.8 1227.1,1991.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0027L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99166449398355,39.7306960931231]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99162882396398,39.72808119419947]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.9965019310514,39.728041320065415]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99653760107097,39.73065621898905]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0027R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p27R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0027R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0027R","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.7,56.6 1311.5,41.8 1362.2,340.8 1362.8,508.9 1343.8,509.1 1344.4,639.1 1069.8,757.5 840.6,1000.7 535.3,1003.5 498.5,1003.6 481.1,1003.7 481.1,1000.6 222.9,519.9 84.5,521.2 80.7,56.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0027R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99764725252406,39.72802012045318]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99764658084632,39.73064722896728]}},{"type":"Feature","properties":{"resourceCoords":[1410.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99274377556932,39.73064647705971]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99274444724706,39.72801936854561]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0028L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p28L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0028L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0028L","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1380.2,308.3 1374.5,308.3 1378.4,839.2 1385.8,839.2 1394.9,1376.0 1399.7,1376.0 1394.4,1927.8 108.2,1999.5 105.0,1378.8 104.1,844.3 100.5,844.3 93.5,101.6 193.6,36.2 1136.2,31.5 1261.8,111.9 1358.8,111.4 1380.2,308.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0028L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[989.0,844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.98614857222975,39.73043035321952]}},{"type":"Feature","properties":{"resourceCoords":[103.0,844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.98613810484761,39.73205334046947]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0028R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p28R","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0028R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0028R","type":"ImageService3","width":1415,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.1,1374.2 58.2,1374.2 52.2,837.1 44.8,837.1 43.8,306.0 49.5,306.0 29.2,109.0 189.9,109.0 315.2,35.5 1155.0,28.6 1361.2,95.0 1369.9,23.0 1379.0,23.0 1378.7,1210.1 1368.1,1280.5 1366.0,1374.0 1375.2,1376.8 1271.8,1863.0 733.9,2002.7 468.8,1950.9 223.4,1978.4 152.0,1921.2 54.7,1926.2 63.1,1374.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0028R/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[393.0,1374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9874196,39.7290787]}},{"type":"Feature","properties":{"resourceCoords":[1366.0,1374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9874182,39.7272969]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0029L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p29L","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0029L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0029L","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.4,1867.5 68.5,1774.8 79.0,1705.0 79.0,528.0 72.7,505.3 120.0,110.2 361.1,73.8 550.9,168.8 1098.6,154.4 1259.3,96.0 1332.3,169.1 1371.8,168.3 1377.3,284.9 1361.8,285.0 1360.0,624.9 1375.3,613.5 1362.7,985.5 1357.2,1384.9 1350.3,1384.9 1401.4,1893.0 1372.8,1892.5 1369.8,1892.5 1382.8,1834.3 1105.2,1885.3 114.0,1870.9 66.4,1867.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0029L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[79.0,813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9848857,39.7272744]}},{"type":"Feature","properties":{"resourceCoords":[79.0,284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9836152,39.7272748]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0029R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p29R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0029R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0029R","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1101.4,1872.9 784.9,1869.0 490.9,1874.8 330.6,1874.9 117.1,1875.2 57.3,1360.3 64.3,1360.2 63.3,954.8 69.9,577.1 54.6,589.0 51.0,244.0 66.5,243.6 59.1,125.4 394.5,113.5 459.8,53.2 725.6,100.9 1299.0,54.9 1344.0,106.0 1353.5,99.2 1338.7,305.0 1345.0,304.9 1363.2,1656.8 1362.8,1869.5 1101.4,1872.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0029R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98303717268946,39.72499159070511]}},{"type":"Feature","properties":{"resourceCoords":[1417.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.9830897738078,39.72239480521063]}},{"type":"Feature","properties":{"resourceCoords":[1417.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98791162330457,39.7224534036517]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98785902218623,39.72505018914618]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0002L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p2L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0002L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0002L","type":"ImageService3","width":1393,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1292.6,450.4 1366.7,448.6 1368.0,592.5 1374.7,595.0 1392.0,1133.4 1392.0,1144.4 1373.4,1139.3 1376.0,1397.8 1381.3,1410.7 1383.2,1894.6 1281.6,1899.4 1238.6,1913.5 1164.5,1916.6 566.8,1920.1 571.9,1990.8 404.2,1894.6 178.3,1895.2 105.7,1810.1 126.5,563.6 204.1,504.0 559.9,473.8 604.8,395.4 755.9,464.7 811.1,383.6 941.0,353.9 1191.7,430.4 1194.2,515.8 1235.3,475.2 1292.6,450.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0002L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[660.0,1904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.00261360482735,39.745907123966106]}},{"type":"Feature","properties":{"resourceCoords":[107.0,1904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.00373150802588,39.745414061017804]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0002R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p2R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.67"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0002R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0002R","type":"ImageService3","width":1395,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,470.4 1.0,612.6 6.5,614.7 18.7,1156.5 1.0,1151.4 1.0,1408.3 5.2,1418.6 2.4,1895.5 101.8,1892.3 214.8,1887.1 389.2,1877.2 468.8,1867.7 655.0,1820.5 711.2,1822.7 709.8,1817.2 1359.3,1645.3 1324.3,1624.7 1340.2,1290.0 1247.0,890.9 1231.0,434.1 1121.9,369.7 1047.4,188.0 1037.8,117.5 516.5,245.6 456.0,265.1 396.5,298.9 164.4,469.0 1.0,470.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0002R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00343575545875,39.74953705433544]}},{"type":"Feature","properties":{"resourceCoords":[1395.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00061018715054,39.750829732697305]}},{"type":"Feature","properties":{"resourceCoords":[1395.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.9981711469663,39.74763350817933]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00099671527451,39.74634082981746]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0030R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p30R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0030R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0030R","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"512.6,1988.6 540.2,2016.8 1289.5,2009.3 1306.9,1991.2 1318.8,1991.5 1323.3,1723.0 1324.7,423.1 1321.8,62.2 1065.8,60.8 756.0,51.3 468.1,51.6 311.1,48.8 74.0,44.7 70.9,44.7 54.7,117.5 111.8,320.8 68.1,473.1 118.0,654.7 67.5,690.9 50.9,1460.2 128.8,1925.0 1.0,1933.3 1.0,1983.0 204.1,1983.2 512.6,1988.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0030R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98736957892952,39.72502233880568]}},{"type":"Feature","properties":{"resourceCoords":[1417.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98735993080768,39.72236997213992]}},{"type":"Feature","properties":{"resourceCoords":[1417.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99228507245574,39.722359224174184]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99229472057758,39.72501159083994]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0031R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p31R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.52"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0031R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0031R","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"821.8,234.1 1028.3,233.5 1340.4,237.9 1392.2,290.4 1394.0,703.0 1398.0,704.0 1392.0,762.0 1394.0,799.0 1399.0,802.0 1395.0,803.0 1392.0,835.0 1400.0,841.0 1394.0,984.0 1401.0,986.0 1401.0,997.0 1396.0,998.0 1396.0,1039.0 1410.0,1040.0 1410.0,1388.0 1398.0,1389.0 1398.0,1410.0 1410.0,1414.0 1397.0,1415.0 1397.0,1433.0 1410.0,1434.0 1410.0,1497.0 1399.0,1498.0 1399.0,1518.0 1410.0,1519.0 1410.0,1865.0 1400.0,1866.0 1398.0,1943.0 1398.8,1953.8 1357.2,1996.2 1301.6,1996.5 90.5,2000.4 41.5,1747.0 41.3,1467.9 99.6,1379.7 41.1,1152.1 92.0,939.1 47.9,285.6 91.6,234.1 821.6,183.8 821.8,234.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0031R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99160165571058,39.7265320183399]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99160359382982,39.723921603314786]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99647147337588,39.72392377154086]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99646953525664,39.72653418656598]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0032L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p32L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.43"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0032L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0032L","type":"ImageService3","width":1417,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"179.1,1974.7 36.1,1634.4 35.1,200.8 95.9,98.8 355.7,51.2 621.0,92.0 621.2,116.2 1123.8,125.8 1343.8,128.2 1378.7,128.6 1355.8,994.9 1365.8,995.1 1359.2,1864.6 1160.5,1861.4 703.5,1936.6 688.1,1951.8 179.1,1974.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0032L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00286346173063,39.72751272080103]}},{"type":"Feature","properties":{"resourceCoords":[1417.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99950640834888,39.72755129004551]}},{"type":"Feature","properties":{"resourceCoords":[1417.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99943478871576,39.72381159709406]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00279184209751,39.72377302784959]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0032R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p32R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0032R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0032R","type":"ImageService3","width":1401,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.2,1842.1 32.2,1842.1 26.2,979.7 16.3,979.6 26.5,120.2 84.5,120.0 647.0,118.0 1257.7,139.1 1309.1,88.1 1367.8,277.6 1360.3,634.9 1371.2,632.8 1374.0,1843.6 42.2,1842.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0032R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99965615661871,39.72753667798388]}},{"type":"Feature","properties":{"resourceCoords":[1401.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99630912640792,39.72753755690079]}},{"type":"Feature","properties":{"resourceCoords":[1401.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.996307475699,39.72376644824348]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99965450590979,39.72376556932657]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0033L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p33L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0033L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0033L","type":"ImageService3","width":1413,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1367.6,36.4 987.9,36.4 922.7,36.1 897.9,11.7 878.0,12.0 877.1,1.0 719.9,1.0 719.0,10.0 707.0,12.0 673.0,10.0 672.1,1.0 630.0,1.0 630.0,15.0 582.0,17.0 581.0,11.0 580.0,18.0 133.3,20.4 124.4,29.4 68.4,29.3 58.3,1362.4 56.5,1569.7 135.4,2022.8 149.9,2022.8 145.1,1932.9 923.7,1997.0 1217.8,1969.5 1321.4,1874.7 1373.8,1879.8 1371.8,1635.9 1379.8,1635.9 1345.9,964.6 1398.4,533.2 1387.8,533.1 1367.6,36.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0033L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[63.0,955.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.99858148173176,39.72412448119886]}},{"type":"Feature","properties":{"resourceCoords":[942.0,955.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.99856724461843,39.72251104758754]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0033R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p33R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0033R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0033R","type":"ImageService3","width":1403,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1209.3,1968.3 61.5,1876.0 55.2,1633.3 63.1,1633.2 17.7,965.7 61.9,535.4 51.5,535.4 22.6,41.4 409.9,34.5 498.1,33.3 1310.2,27.0 1314.3,274.3 1318.7,948.8 1320.3,948.8 1323.0,1619.0 1298.0,1619.5 1303.7,1885.0 1295.7,1892.1 1209.3,1968.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0033R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99626814788165,39.72178249231764]}},{"type":"Feature","properties":{"resourceCoords":[1403.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99630547228384,39.71917713817723]}},{"type":"Feature","properties":{"resourceCoords":[1403.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00119128281254,39.719219134959936]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00115395841036,39.72182448910034]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0034L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p34L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0034L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0034L","type":"ImageService3","width":1413,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1406.0,981.2 1412.0,981.2 1412.0,1048.0 1412.0,1298.6 1388.8,1662.8 1391.4,1941.1 1310.8,1995.2 144.4,1999.1 24.6,1939.7 18.0,1945.4 14.7,1703.6 14.3,1673.9 40.1,1673.6 42.6,988.5 41.0,988.6 41.9,299.1 39.6,46.4 553.8,45.7 925.5,38.9 1060.4,39.4 1341.7,43.4 1385.0,92.7 1406.0,981.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0034L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[48.0,981.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.99856008822871,39.719340596511714]}},{"type":"Feature","properties":{"resourceCoords":[574.0,981.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.99856417298426,39.718391579908165]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0034R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p34R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0034R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0034R","type":"ImageService3","width":1403,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"311.4,33.0 1273.8,50.8 1341.7,199.6 1282.6,326.8 1359.5,796.4 1286.7,1169.8 1354.7,1356.0 1335.1,1923.2 910.2,1992.3 59.5,1921.8 28.4,1942.8 25.3,1665.2 47.9,1301.8 47.4,985.1 41.4,985.1 19.1,98.7 311.4,33.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0034R/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[204.0,967.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.99853024641128,39.71659632445622]}},{"type":"Feature","properties":{"resourceCoords":[1207.0,967.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.99854166592306,39.714782448573324]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0035L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p35L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0035L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0035L","type":"ImageService3","width":1413,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1383.8,1944.3 1378.6,1449.1 1386.3,1449.1 1384.5,455.8 1376.3,173.2 967.3,173.9 323.5,162.9 51.2,170.6 39.0,170.2 1.0,209.5 1.0,1262.1 9.0,1263.0 15.2,1922.9 34.9,1942.3 100.0,1942.4 871.1,1940.8 960.3,1941.0 1383.8,1944.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0035L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99176957300395,39.72263863092779]}},{"type":"Feature","properties":{"resourceCoords":[1413.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99175388469334,39.72004336885699]}},{"type":"Feature","properties":{"resourceCoords":[1413.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99658630522173,39.72002584148863]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99660199353234,39.722621103559426]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0035R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p35R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0035R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0035R","type":"ImageService3","width":1406,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1264.6,150.0 1366.2,347.9 1365.2,1359.0 1291.8,1930.3 1301.5,1932.0 939.9,1937.0 439.7,1935.5 46.0,1933.8 39.0,1443.3 46.7,1443.3 41.3,459.6 32.2,179.7 169.6,178.9 483.4,181.6 955.7,181.7 1216.2,187.2 1216.9,136.8 1264.6,150.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0035R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99173485546133,39.720169358357666]}},{"type":"Feature","properties":{"resourceCoords":[1406.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99173127604806,39.717561830993006]}},{"type":"Feature","properties":{"resourceCoords":[1406.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.996610707451,39.71755781207432]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99661428686427,39.72016533943898]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0036L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p36L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0036L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0036L","type":"ImageService3","width":1413,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1405.7,40.5 1348.8,750.2 1374.9,750.5 1360.4,1439.0 1327.9,1438.8 1342.6,1991.5 1108.0,1990.8 471.1,1976.9 201.7,1983.2 208.0,1712.6 217.9,401.9 217.4,38.0 678.0,34.2 1124.7,38.1 1405.7,40.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0036L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98742469097263,39.72295215886704]}},{"type":"Feature","properties":{"resourceCoords":[1413.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98739286704941,39.72032894057102]}},{"type":"Feature","properties":{"resourceCoords":[1413.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99227745022091,39.72029338688134]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99230927414413,39.72291660517735]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0036R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p36R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0036R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0036R","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1296.7,1881.8 1408.0,1910.7 1408.0,1940.2 1408.0,1960.2 1150.4,1958.3 683.5,1964.5 373.3,1966.0 69.3,1971.8 42.8,1429.1 75.0,1428.4 74.5,751.8 48.7,752.0 89.7,53.4 319.9,50.4 1151.1,39.3 1156.0,735.6 1157.3,735.6 1226.8,1356.7 1290.1,1356.6 1296.7,1881.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0036R/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[605.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9875168267384,39.71937527503622]}},{"type":"Feature","properties":{"resourceCoords":[1154.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.98753351115592,39.71834546176788]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0037L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p37L","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0037L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0037L","type":"ImageService3","width":1397,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1376.3,324.0 1390.0,829.2 1369.2,829.3 1373.9,1346.9 1350.3,1347.0 1363.1,1877.2 1184.4,1878.0 729.8,1880.2 261.4,1890.1 264.3,1678.0 262.2,329.4 255.9,329.5 273.2,124.5 381.6,49.4 603.6,115.1 1157.8,53.9 1232.1,149.7 1367.2,149.2 1376.3,324.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0037L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1141.0,1348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9862327,39.720939]}},{"type":"Feature","properties":{"resourceCoords":[263.0,835.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9850078,39.7225376]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0037R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p37R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0037R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0037R","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"370.8,1867.9 27.9,1872.9 9.8,1344.1 33.4,1343.7 23.5,827.5 44.3,827.2 25.6,323.4 14.7,149.0 189.7,146.6 350.7,55.9 793.1,49.8 1229.4,132.3 1251.2,477.8 1252.9,505.7 1212.8,506.7 1217.3,1068.6 1216.8,1277.2 1221.0,1775.7 1223.2,1855.4 370.8,1867.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0037R/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[666.0,1868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9874994293258,39.71937001762554]}},{"type":"Feature","properties":{"resourceCoords":[1223.0,1868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.98751765047226,39.71835125312853]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0038L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p38L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0038L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0038L","type":"ImageService3","width":1398,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1353.5,2006.5 1359.8,1462.1 1361.8,1018.5 1350.6,45.6 636.8,49.4 636.8,50.6 1.0,120.6 1.0,185.6 66.1,184.8 30.9,1047.7 107.2,1990.4 11.3,1991.4 11.3,1995.8 321.2,1997.8 368.6,1997.8 703.7,2007.9 1353.5,2006.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0038L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1361.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.98748757203062,39.71656349081523]}},{"type":"Feature","properties":{"resourceCoords":[1361.0,1973.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.98751144722704,39.71482312201637]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0038R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p38R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0038R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0038R","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.0,1461.2 45.3,1019.0 36.8,49.4 116.2,47.6 612.9,46.4 820.7,48.1 1380.5,47.0 1381.2,87.0 1305.3,91.3 1367.5,524.3 1356.7,1971.7 967.4,1996.8 968.1,2004.7 513.0,2000.1 34.3,2003.8 42.0,1461.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0038R/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[553.0,1979.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.98629139101388,39.714800135269954]}},{"type":"Feature","properties":{"resourceCoords":[554.0,51.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.98625317908387,39.71834008592482]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0039L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p39L","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0039L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0039L","type":"ImageService3","width":1400,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1383.8,508.6 1377.7,508.5 1382.6,1032.0 1396.8,1032.1 1366.0,2026.2 1292.0,2028.0 1291.0,2037.0 1158.0,2037.0 1157.0,2028.0 722.0,2017.0 24.0,2024.0 23.4,2023.4 35.0,1687.9 36.4,1023.5 33.3,532.4 38.7,65.5 497.6,25.6 965.4,98.0 1206.0,21.1 1326.7,27.9 1364.8,88.0 1374.5,81.3 1383.8,508.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0039L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1041.0,487.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9862964,39.7129578]}},{"type":"Feature","properties":{"resourceCoords":[34.0,487.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9862817,39.7147602]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0039R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p39R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0039R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0039R","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"33.1,2006.8 59.7,1003.9 46.2,1003.8 39.4,501.9 45.2,502.1 34.7,92.5 110.9,40.2 1036.2,23.3 1323.7,70.9 1364.2,518.5 1328.9,1949.8 691.7,1995.9 651.8,1998.8 33.1,2006.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0039R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98513200275173,39.71241965485544]}},{"type":"Feature","properties":{"resourceCoords":[1409.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98516771845159,39.70977031194537]}},{"type":"Feature","properties":{"resourceCoords":[1409.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99011419792942,39.70981033290517]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99007848222955,39.71245967581524]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0003L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p3L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.44"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0003L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0003L","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.8,1359.3 400.5,146.7 361.9,108.6 374.7,40.0 944.8,186.5 1016.1,202.1 1060.6,199.5 1255.5,241.1 1366.0,262.9 1373.5,264.3 1380.0,837.5 1384.4,837.5 1385.8,1365.1 1368.3,1365.4 1398.1,2037.0 1393.0,2037.0 1393.0,2029.0 1385.0,2022.0 383.0,2018.0 382.0,2022.0 357.0,2022.0 356.0,2018.0 67.7,2019.0 21.7,1883.2 40.0,1824.0 123.7,1377.7 141.8,1359.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0003L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1148.0,1367.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.99927525997715,39.74506709818391]}},{"type":"Feature","properties":{"resourceCoords":[401.0,17.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-105.00277735114267,39.7458623555827]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0003R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p3R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0003R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0003R","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"331.8,2026.9 23.8,2023.1 4.7,1362.5 22.1,1362.6 28.8,837.2 24.4,837.1 26.7,266.2 189.2,300.2 268.0,311.7 458.8,314.6 512.2,331.2 512.1,325.6 1179.7,328.9 1249.8,400.7 1338.7,1018.0 1280.0,1168.5 1242.9,1857.1 1315.0,1887.1 496.9,1876.6 496.5,1891.8 331.8,2026.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0003R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00122255678643,39.74709018554582]}},{"type":"Feature","properties":{"resourceCoords":[1409.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.9988910886669,39.748938398609944]}},{"type":"Feature","properties":{"resourceCoords":[1409.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99543859131929,39.74632723228294]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99777005943882,39.744479019218815]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0040R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p40R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.37"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0040R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0040R","type":"ImageService3","width":1400,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1027.0,40.8 1334.2,42.6 1372.3,42.6 1374.5,163.8 1379.8,1334.7 1340.9,1333.7 1349.3,1959.2 1296.8,1977.6 317.6,1966.5 61.0,1896.8 99.7,1417.6 38.7,1186.2 117.3,1025.7 78.3,133.9 253.8,139.2 369.6,43.7 1027.0,36.5 1027.0,40.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0040R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99318743792026,39.71490421902197]}},{"type":"Feature","properties":{"resourceCoords":[1400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98982663236286,39.71487578135679]}},{"type":"Feature","properties":{"resourceCoords":[1400.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98988007137685,39.71108585147574]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99324087693424,39.711114289140916]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0004L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p4L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0004L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0004L","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.8,1552.2 18.1,483.2 292.7,249.2 292.8,234.1 1113.4,229.6 1355.9,325.4 1332.7,1660.3 1046.3,1828.0 1047.0,1784.5 304.8,1788.1 304.8,1799.3 20.8,1552.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0004L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99810161534992,39.74526608225332]}},{"type":"Feature","properties":{"resourceCoords":[1402.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99574538224444,39.747066644045816]}},{"type":"Feature","properties":{"resourceCoords":[1402.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99236525983578,39.744414444552525]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99472149294127,39.74261388276003]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0005L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p5L","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.32"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0005L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0005L","type":"ImageService3","width":1410,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"18.0,443.0 16.2,1077.0 316.9,1342.7 149.3,1531.2 414.6,1793.8 653.1,1778.5 762.0,1864.1 987.3,1898.6 1294.0,1759.2 1405.0,1592.8 1387.7,1237.7 1384.8,1237.8 1357.2,689.6 1409.0,686.3 1409.0,679.0 1409.0,670.1 1311.9,304.6 1294.2,20.6 898.0,19.0 897.0,1.0 632.0,1.0 636.0,2.0 635.0,20.0 420.0,21.0 418.0,13.0 417.0,21.0 20.0,26.0 18.0,439.0 1.0,439.9 1.0,442.0 18.0,443.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0005L/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[372.0,1292.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9952715,39.7401412]}},{"type":"Feature","properties":{"resourceCoords":[1107.0,1255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-104.9940667,39.7410426]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0005R/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p5R","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0005R/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0005R","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.3,728.8 14.2,1253.0 16.9,1253.0 12.4,1592.6 31.2,1568.1 187.1,1714.2 424.5,1769.0 467.5,1768.5 508.8,1788.4 1126.0,1765.6 1219.2,1714.2 1306.8,1367.1 1249.4,1185.3 1279.8,739.4 1185.5,261.7 1195.9,255.8 1196.9,212.7 461.4,210.1 461.4,221.2 232.7,18.9 18.0,18.0 5.0,8.0 5.0,1.0 1.0,1.0 1.0,363.8 74.0,729.0 20.3,728.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0005R/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99575471589519,39.74300118670495]}},{"type":"Feature","properties":{"resourceCoords":[1402.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99339622237214,39.74483358105301]}},{"type":"Feature","properties":{"resourceCoords":[1402.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.98995643221959,39.7421787675697]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99231492574263,39.74034637322164]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0008L/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Denver, Colorado | 1890 | sanborn00985_002 p8L","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.18"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:18:22Z","modified":"2026-10-24T15:18:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0008L/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0008L","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"240.8,1791.6 296.6,1812.1 1394.6,1824.9 1391.4,2016.4 1411.0,2036.9 1411.0,14.0 1403.0,18.0 1296.0,14.0 894.0,13.0 894.0,1.0 820.5,1.0 844.0,93.6 709.0,182.5 648.1,179.8 201.8,211.2 255.6,242.3 240.8,1791.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd431m:g4314m:g4314dm:g00985189001:00985_01_1890-0008L/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.0007894829136,39.74426419217419]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-104.99909521378717,39.74200305635947]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00330992333228,39.740109490733865]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-105.00500419245871,39.742370626548585]}}]}}]}