{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn09062_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Radford, Virginia | 1920 | 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":"22"},{"label":"placed","value":"12"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef-snap 8, georef 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p10 (tier 2, 37.14002,-80.55416 +/-370m); p12__1 (tier 1, 37.13756,-80.56248 +/-138m); p7 (tier 2, 37.12033,-80.58969 +/-210m); p8__1 (tier 1, 37.11308,-80.59033 +/-181m); p8__2 (tier 1, 37.11408,-80.59054 +/-206m); p8__3 (tier 1, 37.11386,-80.59078 +/-169m); p9__1 (tier 1, 37.12634,-80.57719 +/-203m); p9__2 (tier 1, 37.12649,-80.57624 +/-216m); p9__3 (tier 1, 37.12107,-80.57423 +/-134m); p9__4 (tier 1, 37.12282,-80.57538 +/-104m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Radford, Virginia | 1920 | sanborn09062_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:32:22Z","modified":"2026-10-19T12:32:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"25.9,858.0 49.8,1009.4 29.4,1492.7 78.2,1657.5 80.7,1840.6 340.6,1856.1 393.8,1886.9 709.1,1866.3 815.2,1890.6 957.1,1847.2 1337.8,1888.3 1592.1,1839.9 1576.2,121.8 1555.3,60.1 1535.9,62.9 1531.1,50.5 497.8,6.6 495.8,31.8 429.2,33.1 238.8,31.4 177.8,33.0 141.7,43.3 125.1,56.4 32.9,55.7 32.8,57.2 37.1,105.2 42.2,115.6 38.8,359.0 70.0,358.6 37.3,845.8 1.0,832.0 1.0,853.8 25.9,858.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[832.0,357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.55647792845089,37.138643855951294]}},{"type":"Feature","properties":{"resourceCoords":[1112.0,1694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.55467206823467,37.13390042232625]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0012__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Radford, Virginia | 1920 | sanborn09062_006 p12 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.55"},{"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":"2026-10-19T12:32:22Z","modified":"2026-10-19T12:32:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0012__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1549.7,171.0 1509.0,170.2 1501.6,92.9 1050.8,40.1 414.8,97.7 229.9,204.5 102.7,199.9 43.6,482.5 67.1,583.1 18.9,1023.4 39.0,1160.2 75.8,1196.4 94.2,1351.2 465.4,1393.0 467.2,1393.0 467.2,1394.2 564.9,1464.2 554.4,1616.4 582.2,1670.0 735.3,1709.8 826.8,1824.0 1032.9,1762.9 1041.2,1712.7 1104.3,1700.3 1226.6,1718.9 1431.8,1825.5 1496.2,1836.7 1496.3,1815.3 1532.7,1829.2 1566.7,1353.6 1536.2,1353.9 1540.6,1116.2 1535.7,1106.0 1531.7,1059.2 1537.1,964.0 1540.7,925.4 1554.4,904.4 1563.0,757.2 1612.0,750.5 1612.0,739.2 1612.0,730.5 1563.0,737.5 1581.2,403.8 1579.4,405.2 1549.7,171.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0012__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1411.0,1786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.56046876126358,37.13674113261572]}},{"type":"Feature","properties":{"resourceCoords":[1141.0,1118.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.56200999384502,37.1391200077582]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Radford, Virginia | 1920 | sanborn09062_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:32:22Z","modified":"2026-10-19T12:32:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1585.9,1756.3 1291.7,1780.4 1002.7,1805.4 853.1,1820.2 563.0,1844.9 413.6,1857.7 120.4,1884.0 87.5,1535.2 70.3,1368.0 58.2,1216.5 60.3,1093.8 57.7,893.7 55.7,547.0 56.3,200.3 46.4,200.3 64.0,21.7 98.2,41.8 1369.0,24.1 1537.8,41.7 1581.5,76.6 1580.4,293.1 1612.0,409.8 1612.0,413.2 1581.0,1113.0 1611.7,1713.8 1612.0,1713.8 1585.0,1745.8 1585.9,1756.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[942.0,1182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.57220554554225,37.12925785391132]}},{"type":"Feature","properties":{"resourceCoords":[360.0,1182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.57371726755919,37.13099218454508]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Radford, Virginia | 1920 | sanborn09062_006 p14","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"24"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:32:22Z","modified":"2026-10-19T12:32:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.5,1850.0 29.4,167.5 16.3,166.2 65.5,100.9 65.6,80.7 132.0,82.2 357.5,82.7 648.6,84.7 940.8,86.0 1089.6,87.3 1378.6,89.9 1527.8,89.3 1529.2,103.6 1526.5,632.4 1523.5,632.4 1566.0,1038.6 1612.0,1039.0 1612.0,1039.7 1586.2,1057.7 1595.0,1784.8 1528.7,1912.0 1524.2,1900.3 1233.5,1875.0 1233.8,1854.5 1083.3,1851.9 792.4,1851.5 501.9,1849.0 63.1,1847.2 63.1,1874.9 38.0,1858.0 42.5,1850.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[937.0,630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.5780204,37.1281603]}},{"type":"Feature","properties":{"resourceCoords":[937.0,1852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.5823008,37.1252771]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Radford, Virginia | 1920 | sanborn09062_006 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:32:22Z","modified":"2026-10-19T12:32:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1497.4,1443.5 1457.0,1477.2 1300.6,1587.9 878.3,1874.1 823.2,1912.0 720.0,1912.0 690.0,1889.5 459.9,1877.7 381.1,1834.9 236.9,1823.6 103.5,1715.0 35.2,1337.8 102.2,993.2 92.5,665.7 33.9,514.3 40.8,99.3 86.7,19.6 111.5,36.5 111.8,8.8 548.2,10.4 837.1,12.7 1126.5,13.0 1276.2,15.5 1275.8,35.9 1564.7,61.0 1564.7,72.6 1569.2,72.6 1568.6,73.6 1549.6,109.7 1588.4,374.8 1559.1,669.1 1587.1,828.4 1590.2,1271.2 1612.0,1287.6 1612.0,1327.7 1612.0,1363.0 1497.4,1443.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.58517132484882,37.128064028419445]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.58037565427922,37.123533330938514]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.58706754847995,37.11896637789427]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.59186321904954,37.1234970753752]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Radford, Virginia | 1920 | sanborn09062_006 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:32:22Z","modified":"2026-10-19T12:32:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1256.3,1.0 1255.2,1.0 1214.7,58.7 1074.7,58.8 1022.3,63.1 830.9,63.9 321.1,55.5 254.3,54.9 177.5,1.0 176.1,1.0 177.5,19.3 65.3,56.0 32.5,208.1 80.5,524.4 53.1,682.6 79.9,1034.5 32.6,1160.2 23.4,1359.0 70.0,1845.6 140.8,1883.9 221.0,1855.5 674.9,1888.6 1508.8,1875.9 1566.6,1849.5 1589.3,1439.3 1567.2,168.1 1524.3,60.7 1507.0,70.9 1497.6,61.5 1472.7,83.1 1428.7,45.4 1268.8,30.3 1256.3,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.59047937697282,37.121619285181765]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.5833075145024,37.120122174856]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.58551858714385,37.11329180921293]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.59269044961428,37.1147889195387]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Radford, Virginia | 1920 | sanborn09062_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:32:22Z","modified":"2026-10-19T12:32:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.5,566.3 104.9,569.3 38.2,88.3 261.3,90.1 278.4,248.8 401.2,303.7 1189.2,98.2 1218.0,135.0 1369.6,90.4 1548.2,126.7 1564.5,504.2 1545.0,1185.5 1525.9,1185.9 1525.6,1523.5 1530.1,1827.1 955.0,1806.8 951.4,1857.3 817.9,1860.9 435.5,1860.3 313.1,1864.3 240.5,1885.6 207.5,1912.0 109.6,1912.0 22.3,1912.0 31.0,1719.2 37.5,1639.8 65.3,1596.1 79.3,1293.4 180.0,1278.3 179.6,1237.3 79.1,1252.8 108.5,566.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[976.0,1843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.55808000317829,37.1397414338972]}},{"type":"Feature","properties":{"resourceCoords":[659.0,494.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.55904420675246,37.142124774574995]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Radford, Virginia | 1920 | sanborn09062_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.54"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:32:22Z","modified":"2026-10-19T12:32:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.8,1873.5 50.6,1574.0 39.1,1240.7 58.0,1239.7 53.5,566.5 24.0,194.4 29.6,195.3 66.8,34.6 1560.1,44.5 1601.2,1087.1 1509.0,1636.4 1608.3,1891.7 1569.9,1898.8 1559.2,1874.6 65.8,1873.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.55717768849391,37.14326988171418]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.55350537242327,37.143405930691706]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.55330437840341,37.13990959273867]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.55697669447405,37.139773543761144]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Radford, Virginia | 1920 | sanborn09062_006 p4","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.71"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:32:22Z","modified":"2026-10-19T12:32:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"129.9,1575.1 134.2,709.2 155.5,708.6 63.8,104.4 150.6,48.7 1040.2,21.8 1419.8,38.2 1567.8,106.1 1495.8,349.0 1573.0,696.2 1517.7,915.2 1552.3,992.8 1476.1,1152.8 1540.2,1544.2 1477.6,1633.7 1482.5,1779.3 1334.0,1826.5 1217.6,1789.7 1160.6,1886.3 810.8,1850.9 810.6,1870.3 131.5,1867.4 129.9,1575.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[817.0,1288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.5715997,37.1348208]}},{"type":"Feature","properties":{"resourceCoords":[131.0,1288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.572906,37.134093]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Radford, Virginia | 1920 | sanborn09062_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:32:22Z","modified":"2026-10-19T12:32:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.7,1597.0 151.4,1338.8 141.2,1259.4 131.4,1014.1 111.8,718.0 91.3,719.0 89.5,177.1 210.6,234.7 339.9,134.2 916.9,29.8 1380.8,81.4 1406.8,64.0 1513.1,675.8 1491.5,677.0 1505.9,1556.8 1513.9,1853.8 823.6,1870.6 425.4,1883.2 181.1,1883.7 163.7,1597.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[143.0,943.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.57589622063914,37.13320737796838]}},{"type":"Feature","properties":{"resourceCoords":[1488.0,1287.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.57290245836779,37.1340468466491]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Radford, Virginia | 1920 | sanborn09062_006 p6","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:32:22Z","modified":"2026-10-19T12:32:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1477.8,1885.6 1493.2,1601.2 1510.6,1345.4 1509.6,1266.0 1527.8,1023.2 1542.2,729.3 1521.9,728.0 1581.7,193.8 1348.5,48.0 1251.0,128.9 936.0,35.0 325.2,17.4 53.1,65.7 1.0,559.8 1.0,628.0 124.0,721.2 164.2,721.3 160.8,853.4 159.0,1302.0 153.9,1881.2 845.9,1882.7 1177.6,1880.7 1477.8,1885.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[851.0,1249.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.576681,37.131967]}},{"type":"Feature","properties":{"resourceCoords":[159.0,1302.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.5778183,37.1310701]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0009__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Radford, Virginia | 1920 | sanborn09062_006 p9 [5]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.82"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3562.4"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4089.6"}],"created":"2026-10-19T12:32:22Z","modified":"2026-10-19T12:32:22Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0009__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"226.5,1912.0 235.2,1912.0 279.2,1910.0 967.7,1911.7 1224.8,1869.2 1478.8,1877.2 1562.2,1782.4 1578.2,1501.5 1552.4,1451.2 1584.7,1232.1 1548.9,961.3 1462.3,937.8 909.4,947.1 794.6,918.8 793.6,918.5 793.0,925.6 764.0,948.1 764.0,958.5 469.1,957.6 179.4,958.0 180.9,972.4 183.0,1504.2 180.0,1504.2 226.5,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884rm:g3884rm_g090621920:09062_1920-0009__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[183.0,1504.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.5762844,37.1265083]}},{"type":"Feature","properties":{"resourceCoords":[764.0,958.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.5726796,37.1261499]}}]}}]}