{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08505_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Dumas, Texas | 1950 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"12"},{"label":"placed","value":"10"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 9, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p10__3 (tier 1, 35.84754,-101.97081 +/-216m); p1__1 (tier 1, 35.86201,-101.97928 +/-595m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dumas, Texas | 1950 | sanborn08505_001 p10 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"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":"2826.0"},{"label":"split_canvas_h","value":"4048.0"}],"created":"2026-10-19T00:25:18Z","modified":"2026-10-19T00:25:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.7,111.4 65.5,293.7 40.5,319.1 70.2,441.8 59.5,980.4 673.5,979.7 693.3,708.5 699.9,708.5 700.3,236.3 699.4,110.5 547.1,111.0 69.7,111.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[392.7,406.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9733462,35.8531485]}},{"type":"Feature","properties":{"resourceCoords":[392.7,990.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.973365,35.8509686]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dumas, Texas | 1950 | sanborn08505_001 p10 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T00:25:18Z","modified":"2026-10-19T00:25:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1143.8,1827.0 1490.8,1826.5 1492.2,1826.4 1553.5,1219.4 1490.2,1219.5 1490.2,1193.5 1490.1,1154.1 1489.7,1033.5 1489.7,981.0 1550.4,1.0 1523.5,1.0 1526.6,50.6 1125.0,43.0 1081.1,80.3 1124.1,790.9 1074.3,1001.4 1056.5,1002.2 1056.5,1003.7 1020.4,1004.0 69.0,1050.6 44.7,1212.9 325.3,1241.8 583.2,1242.7 615.5,1238.0 870.1,1511.4 870.0,1828.0 1143.8,1827.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[870.0,1828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9746408,35.8631554]}},{"type":"Feature","properties":{"resourceCoords":[1175.0,1220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.973239,35.865372]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dumas, Texas | 1950 | sanborn08505_001 p2","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:25:18Z","modified":"2026-10-19T00:25:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1398.9,1874.8 1362.0,1864.8 778.0,1870.3 778.0,1854.0 172.2,1855.4 169.4,1260.0 176.4,1189.3 172.9,641.0 171.4,504.1 447.4,56.4 772.6,55.8 926.5,55.3 1392.1,494.6 1392.9,646.0 1398.9,1874.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[778.0,1854.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9746794,35.8587354]}},{"type":"Feature","properties":{"resourceCoords":[1390.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9705136,35.8575521]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dumas, Texas | 1950 | sanborn08505_001 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:25:18Z","modified":"2026-10-19T00:25:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"852.9,1824.8 780.4,1817.6 170.3,1820.8 165.3,34.5 711.4,31.7 1403.3,29.9 1406.0,1226.0 1414.7,1820.9 852.9,1824.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[167.0,634.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9746504,35.8620545]}},{"type":"Feature","properties":{"resourceCoords":[1406.0,1226.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9718565,35.8609451]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dumas, Texas | 1950 | sanborn08505_001 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:25:18Z","modified":"2026-10-19T00:25:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"159.4,776.0 84.3,365.3 158.7,91.5 1395.4,88.3 1396.0,682.3 1394.5,1860.9 1088.5,1861.8 134.6,1862.6 159.4,776.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[780.0,1276.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9733271,35.8553449]}},{"type":"Feature","properties":{"resourceCoords":[780.0,90.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9733078,35.8575621]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dumas, Texas | 1950 | sanborn08505_001 p5","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"25"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:25:18Z","modified":"2026-10-19T00:25:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"134.7,1260.0 131.9,658.9 129.8,356.0 207.6,355.3 432.2,115.5 431.7,36.5 732.5,34.8 1177.8,31.3 1328.3,30.8 1479.2,29.9 1612.0,29.2 1612.0,34.8 1506.1,36.7 1492.2,99.4 1509.1,551.9 1571.7,554.8 1574.3,1603.6 1508.1,1608.2 1529.5,1839.8 1342.2,1868.0 138.0,1869.0 135.5,1388.1 134.7,1260.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[439.0,658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9705078,35.8564354]}},{"type":"Feature","properties":{"resourceCoords":[740.0,1556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9691994,35.8531296]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dumas, Texas | 1950 | sanborn08505_001 p6","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"33"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:25:18Z","modified":"2026-10-19T00:25:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"962.0,80.9 1218.8,83.5 1251.0,79.1 1502.5,353.1 1500.1,668.3 1495.2,1560.0 1493.5,1869.9 1485.2,1869.9 1485.2,1864.2 1188.2,1890.4 366.7,1884.3 77.0,1866.5 47.6,1837.2 35.1,894.7 93.3,623.2 89.3,392.1 158.8,256.4 158.5,106.0 110.8,91.4 418.8,43.2 679.1,50.0 962.0,80.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[908.0,366.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9773261,35.8642707]}},{"type":"Feature","properties":{"resourceCoords":[1202.0,966.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.975996,35.862062]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dumas, Texas | 1950 | sanborn08505_001 p7","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"41"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:25:18Z","modified":"2026-10-19T00:25:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"532.3,1685.0 303.5,1544.2 233.5,1545.1 229.1,1248.5 227.5,652.2 228.8,652.2 288.8,48.7 384.1,48.4 824.1,46.3 974.2,46.5 1419.0,45.1 1421.0,648.7 1452.6,648.6 1431.8,1245.4 1423.0,1245.4 1425.0,1848.0 1275.2,1848.1 832.1,1850.3 532.8,1851.2 532.3,1685.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[829.0,948.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9691159,35.8620293]}},{"type":"Feature","properties":{"resourceCoords":[1425.0,1848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9664492,35.8586918]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dumas, Texas | 1950 | sanborn08505_001 p8","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:25:18Z","modified":"2026-10-19T00:25:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.6,1268.0 78.4,1268.0 100.5,668.5 68.9,668.5 68.0,62.1 314.9,62.4 681.0,61.4 720.6,61.2 799.9,68.9 903.3,115.9 914.7,163.7 1220.1,164.8 1260.2,120.3 1349.1,185.8 1394.5,332.7 1505.1,364.9 1509.4,442.1 1553.6,445.4 1554.2,522.7 1502.8,530.5 1535.2,894.5 1519.4,1660.0 1467.4,1601.6 1335.0,1602.7 1325.7,1823.5 1108.6,1821.6 1061.2,1869.8 374.3,1878.6 374.3,1873.2 221.2,1873.3 70.4,1873.5 69.6,1268.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[372.0,1567.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9650734,35.8598064]}},{"type":"Feature","properties":{"resourceCoords":[675.0,668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.9636694,35.863093]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Dumas, Texas | 1950 | sanborn08505_001 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T00:25:18Z","modified":"2026-10-19T00:25:18Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1553.6,1877.2 1543.4,1877.3 1513.6,1877.4 1410.7,1878.0 1391.2,1878.1 1343.6,1878.3 1338.0,1878.3 1268.6,1874.2 342.3,1819.1 342.4,1846.5 50.0,1865.7 70.6,1697.2 28.5,1608.0 24.4,909.0 35.8,254.7 75.2,97.2 131.1,78.0 329.4,101.9 527.2,69.8 575.4,31.9 646.7,53.5 788.4,22.0 1069.1,48.8 1214.7,32.2 1293.7,76.2 1566.4,58.2 1572.5,36.7 1574.6,408.7 1575.0,659.5 1576.9,1113.4 1576.8,1266.5 1579.3,1715.7 1580.0,1877.2 1553.6,1877.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034dm:g4034dm_g085051950:08505_1950-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[660.0,1068.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.96816630667618,35.86865071468129]}},{"type":"Feature","properties":{"resourceCoords":[660.0,818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.96705311864784,35.86864065132228]}}]}}]}