{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00101_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Troy, Alabama | 1923 | 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":"24"},{"label":"placed","value":"13"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef-snap 9, georef 3, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p12__2 (tier 1, 31.80548,-85.98193 +/-391m); p13__1 (tier 1, 31.79741,-85.96625 +/-392m); p15__1 (tier 1, 31.80155,-85.97781 +/-100m); p15__2 (tier 1, 31.80997,-85.96129 +/-201m); p15__3 (tier 1, 31.80764,-85.95662 +/-242m); p15__4 (tier 1, 31.80873,-85.96133 +/-143m); p15__6 (tier 1, 31.80449,-85.96217 +/-100m); p7__1 (tier 1, 31.81853,-85.96952 +/-531m); p7__2 (tier 1, 31.82017,-85.97275 +/-146m); p8__2 (tier 2, 31.81547,-85.96676 +/-160m); p8__3 (tier 1, 31.82104,-85.96595 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.56"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"63.5,1286.5 56.8,1040.4 90.9,1035.6 141.1,767.8 103.5,758.1 182.7,220.2 183.4,214.9 252.0,215.8 252.1,226.4 521.8,250.4 521.4,245.2 759.3,263.1 760.2,289.4 792.2,292.1 973.5,284.6 1034.0,276.5 1300.1,146.3 1299.6,100.8 1381.7,104.3 1439.3,181.6 1566.8,180.0 1582.0,1714.1 1598.8,1714.3 1455.9,1834.8 1416.2,1835.0 1415.9,1819.4 1415.8,1817.2 867.0,1822.7 867.0,1810.6 303.2,1814.7 303.2,1820.2 70.4,1817.3 68.4,1664.6 66.8,1544.5 63.5,1286.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[69.0,1286.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.96884714007864,31.81120351512221]}},{"type":"Feature","properties":{"resourceCoords":[70.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.96887149412089,31.809189545422438]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.61"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1545.6,1877.0 1400.9,1878.7 1400.8,1884.2 343.6,1822.7 145.5,1770.5 113.8,1771.6 104.7,1824.8 81.2,1815.2 70.7,1529.7 119.3,1473.6 117.0,1216.8 31.9,774.7 57.0,278.0 108.3,98.8 696.8,58.9 717.5,32.8 1319.5,25.0 1361.1,87.0 1384.2,427.1 1420.1,425.9 1413.6,826.0 1356.0,827.4 1482.5,1221.8 1505.0,1219.9 1506.0,1295.2 1566.1,1485.5 1576.7,1894.5 1545.0,1892.6 1545.6,1877.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1388.0,441.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.97525015089472,31.8100481895553]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9751958829254,31.811296828550464]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0012__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p12 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.00"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4862.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"2789.2"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0012__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.9,1275.4 178.6,1300.3 178.8,1410.6 138.2,1521.0 85.0,1529.2 81.7,1852.0 339.4,1900.4 1104.2,1911.0 1161.3,1870.0 1508.8,1844.8 1570.0,1758.8 1585.2,1393.3 392.9,1282.4 171.1,1215.7 135.2,1215.7 122.9,1275.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0012__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[633.0,1348.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9791235,31.8048217]}},{"type":"Feature","properties":{"resourceCoords":[633.0,1698.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9791265,31.8036671]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p13 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.03"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2440.0"},{"label":"split_canvas_y","value":"5428.0"},{"label":"split_canvas_w","value":"2604.0"},{"label":"split_canvas_h","value":"2224.0"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"642.4,1507.5 632.8,1903.6 1233.0,1896.4 1195.4,1532.3 1163.5,1529.2 1174.3,1390.0 672.1,1392.2 666.5,1508.5 642.4,1507.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[610.0,1357.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.96865805480567,31.797089993693735]}},{"type":"Feature","properties":{"resourceCoords":[1261.0,1357.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.96757332781223,31.79709346297722]}},{"type":"Feature","properties":{"resourceCoords":[1261.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.96756986603478,31.79630050769021]}},{"type":"Feature","properties":{"resourceCoords":[610.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.96865459302823,31.796297038406724]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"405.4,1912.0 417.6,1912.0 413.2,1882.0 452.7,1866.0 639.2,1880.6 681.6,1846.4 870.8,1835.6 1240.7,1879.5 1470.0,1870.7 1574.2,1830.5 1589.0,1167.5 1532.0,720.9 1537.7,680.8 1574.1,679.4 1543.2,633.5 1538.4,507.0 1560.5,227.5 1511.2,80.9 1509.8,15.7 1227.2,39.9 779.3,100.0 613.1,124.5 566.0,133.6 533.8,82.6 505.3,89.0 74.9,94.8 2.0,95.8 1.0,95.8 1.0,97.8 42.6,97.0 37.3,531.6 84.6,815.8 91.8,1293.3 40.4,1762.2 73.7,1869.6 205.6,1886.3 206.0,1912.0 211.6,1912.0 215.2,1912.0 215.5,1867.5 407.4,1858.6 405.4,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.96918308895648,31.804030106265532]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.96215983785717,31.803801246901433]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.9624769686802,31.79667223018015]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.96950021977952,31.79690108954425]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0015__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p15 [5]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4298.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3354.0"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0015__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.1,1895.8 178.4,1875.7 254.1,1911.4 991.7,1908.7 1200.0,1807.3 1531.2,1856.5 1574.2,1806.0 1569.8,1590.2 1540.3,1385.3 799.1,1377.2 759.4,1345.0 758.9,1204.8 675.9,1129.5 261.2,1120.7 115.0,1241.7 146.3,1241.8 133.9,1681.4 83.2,1681.5 86.1,1895.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0015__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[172.0,1434.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9624154860671,31.808326703582793]}},{"type":"Feature","properties":{"resourceCoords":[172.0,1247.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9624125212274,31.809027791711127]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1070.9,196.7 1548.8,200.2 1544.3,671.1 1542.3,1354.8 1535.8,1702.8 1535.2,1718.8 293.7,1796.1 60.7,1002.6 175.8,1002.8 208.5,204.4 1070.9,196.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1081.0,979.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.97320976763979,31.808633241643044]}},{"type":"Feature","properties":{"resourceCoords":[165.0,196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.97520240919532,31.81011677136716]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"305.1,187.8 539.2,182.9 1555.9,272.0 1557.0,328.6 1562.9,636.3 1563.7,994.7 1567.0,1352.0 1612.0,1511.4 1612.0,1727.2 772.8,1737.2 773.0,1690.5 415.2,1682.5 70.4,1674.7 74.8,1330.5 72.7,654.5 74.3,188.7 305.1,187.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[434.0,979.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.97139301257634,31.808572305297456]}},{"type":"Feature","properties":{"resourceCoords":[1542.0,641.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.96891639957732,31.80917262166449]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.0,1448.6 44.5,1809.8 117.4,1879.2 779.4,1877.4 1005.5,1807.8 1028.6,1785.9 1197.1,1781.8 1313.4,1878.7 1540.3,1827.5 1540.0,873.1 1529.3,873.8 1520.9,370.9 1522.3,26.3 1178.5,20.5 1178.2,36.3 1.0,123.8 1.0,275.4 113.5,648.0 124.2,1453.0 62.0,1448.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1527.0,874.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.97149873674552,31.80563740075674]}},{"type":"Feature","properties":{"resourceCoords":[1527.0,374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.97147166361061,31.80658487636076]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1207.5,1888.3 593.3,1889.7 174.0,1820.0 152.8,1824.7 154.1,859.1 143.2,859.8 135.4,351.0 137.4,2.3 498.2,8.7 498.2,55.8 1436.5,40.5 1563.9,338.4 1369.7,346.3 1351.8,1810.9 1355.6,1884.8 1211.6,1884.5 1207.6,1884.5 1207.5,1888.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1557.0,349.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9683518012316,31.806534121980498]}},{"type":"Feature","properties":{"resourceCoords":[141.0,27.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.97145662513746,31.80719766926676]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p6","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.6,1664.2 153.8,927.4 251.6,923.3 187.3,773.5 141.5,774.3 140.4,664.8 117.1,584.1 114.4,402.8 113.0,221.0 351.0,221.2 351.0,215.6 927.3,204.7 927.5,217.0 1488.4,204.8 1488.5,207.2 1489.0,223.1 1561.1,221.9 1557.5,664.9 1506.6,665.9 1513.8,881.8 1505.4,883.8 1479.7,1018.5 1398.8,1125.4 1401.9,1252.2 1493.8,1308.0 1508.7,1477.9 1574.0,1480.0 1575.3,1642.8 1294.0,1663.0 847.8,1716.7 682.3,1738.8 635.2,1747.2 604.0,1695.7 575.6,1701.7 147.6,1701.4 145.6,1664.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1294.0,1663.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9638462,31.8037073]}},{"type":"Feature","properties":{"resourceCoords":[113.0,221.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9688698,31.8091808]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p8 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.01"},{"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":"3912.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"251.2,1728.7 250.9,1723.8 472.5,1743.0 473.1,1767.6 502.9,1770.4 672.0,1765.4 728.5,1758.4 977.0,1640.3 977.0,1597.3 935.5,1595.0 975.0,1307.5 968.0,887.9 911.7,762.4 905.0,567.5 720.0,567.6 716.3,207.5 660.0,68.8 412.2,19.4 352.8,55.8 190.9,49.4 187.6,72.5 91.8,85.8 68.7,128.8 35.8,287.4 62.6,710.3 26.4,938.3 46.5,1143.1 89.5,1238.9 93.0,1490.0 63.3,1539.6 50.2,1694.9 1.0,1693.6 1.0,1703.5 251.2,1728.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[488.0,1769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9656246,31.8149596]}},{"type":"Feature","properties":{"resourceCoords":[254.0,1769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9667489,31.8149604]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Troy, Alabama | 1923 | sanborn00101_008 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.31"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:45:10Z","modified":"2026-10-19T12:45:10Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"550.7,1754.4 101.7,1765.8 82.1,1439.1 42.7,1379.3 44.7,1379.3 77.1,694.0 36.7,253.9 71.5,138.3 135.6,70.5 208.3,61.4 369.6,115.8 399.1,174.1 730.2,209.7 951.6,179.0 995.1,122.2 1280.2,131.3 1352.3,101.5 1447.8,161.3 1541.6,158.6 1547.2,113.2 1575.0,112.5 1579.5,390.2 1591.5,390.2 1522.0,923.9 1558.9,932.8 1514.2,1196.0 1480.8,1201.2 1482.1,1230.3 1491.4,1442.3 1498.8,1695.1 1501.5,1785.2 1006.7,1747.0 892.8,1750.6 780.6,1752.2 550.7,1754.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974tm:g3974tm_g001011923:00101_1923-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1506.0,1452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.9688061956717,31.811162469706805]}},{"type":"Feature","properties":{"resourceCoords":[559.0,1762.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.97317423730217,31.810064402912698]}}]}}]}