{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00017_007.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Brewton, Alabama | 1949 | 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":"14"},{"label":"placed","value":"7"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef-snap 4, georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"5 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 31.10797,-87.06883 +/-871m); p1__2 (tier 4, 31.10797,-87.06883 +/-871m); p1__3 (tier 4, 31.10797,-87.06883 +/-871m); p1__4 (tier 4, 31.10797,-87.06883 +/-871m); p3__2 (tier 1, 31.11277,-87.06968 +/-100m); p4__2 (tier 1, 31.10766,-87.07436 +/-135m); p4__3 (tier 1, 31.10104,-87.07465 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brewton, Alabama | 1949 | sanborn00017_007 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T16:32:08Z","modified":"2026-10-19T16:32:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"384.4,1509.7 391.4,1580.6 745.0,1557.9 745.6,1586.1 1612.0,1418.5 1612.0,1401.0 1612.0,1389.3 1538.4,1392.6 1550.8,716.3 1594.2,715.2 1592.8,694.6 1330.3,141.8 1328.3,87.5 1305.1,88.7 1284.5,45.2 1203.6,49.5 1031.5,36.4 778.0,42.0 738.0,43.0 693.4,37.1 699.0,167.8 499.2,457.7 552.2,513.0 41.1,1114.8 38.5,1112.2 1.0,1184.2 1.0,1186.2 47.5,1232.6 96.1,1577.0 56.0,1834.3 384.3,1509.4 384.4,1509.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1193.0,42.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.06987324352492,31.10479168232072]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,1394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.07127045036951,31.10246259929809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brewton, Alabama | 1949 | sanborn00017_007 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"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":"2026-10-19T16:32:08Z","modified":"2026-10-19T16:32:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"314.8,1902.1 314.9,1904.0 713.4,1839.6 711.1,1800.5 885.0,1754.2 926.2,1701.5 930.9,1706.7 941.6,1718.6 943.9,1720.5 1612.0,866.1 1612.0,832.6 1612.0,805.5 1591.7,791.8 1557.1,203.1 1571.8,66.3 1573.6,65.8 1513.0,67.4 1371.3,50.8 1369.8,23.6 1208.5,28.6 1019.1,29.7 1020.2,57.0 704.6,59.4 704.0,51.6 247.3,90.3 247.6,93.5 125.2,94.9 80.8,122.0 44.1,263.0 29.8,683.5 68.7,1025.2 39.6,1309.8 75.0,1526.2 65.2,1839.8 210.4,1894.8 272.7,1882.0 275.1,1912.0 314.8,1902.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[285.0,853.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.07331871690216,31.108595034569184]}},{"type":"Feature","properties":{"resourceCoords":[1394.0,867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.06857922839201,31.10843252970742]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brewton, Alabama | 1949 | sanborn00017_007 p4 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.17"},{"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":"2026-10-19T16:32:08Z","modified":"2026-10-19T16:32:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1034.0,1874.3 1144.0,1883.7 1207.1,1885.8 1424.0,1845.5 1518.5,1856.2 1558.4,1792.8 1558.9,1634.2 1496.8,1538.9 1270.7,1533.2 1255.1,1559.2 1200.5,1530.2 895.4,1533.2 800.6,1414.0 751.9,1238.8 745.9,1226.8 748.0,1224.9 747.0,1221.5 858.5,1105.8 1071.9,936.1 1068.0,925.6 1106.9,872.1 1166.8,811.0 1135.4,777.1 1137.3,774.9 1136.3,773.7 1145.5,765.5 1161.5,747.4 1292.8,633.9 1293.6,634.8 1293.8,634.6 1301.0,643.2 1339.6,687.1 1521.4,529.0 1547.8,408.6 1517.7,120.5 1499.0,85.6 1330.0,34.3 1275.2,60.1 1253.8,27.4 1090.2,29.6 1094.8,49.5 471.4,89.6 399.9,90.2 405.8,85.4 301.8,14.3 139.8,76.5 72.0,80.0 107.0,126.6 86.8,1168.3 103.5,1169.0 228.0,1174.0 311.9,1185.7 351.7,1186.1 360.5,1208.0 360.8,1208.0 361.1,1208.0 371.9,1208.2 371.3,1232.7 371.2,1234.8 482.9,1513.8 483.0,1524.0 461.7,1523.2 434.9,1854.3 474.4,1855.0 583.8,1860.9 701.6,1864.0 832.3,1869.1 1034.0,1874.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[483.0,1524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.070208,31.103353]}},{"type":"Feature","properties":{"resourceCoords":[228.0,1174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.070127,31.105002]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brewton, Alabama | 1949 | sanborn00017_007 p5 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.53"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4555.6"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3096.4"}],"created":"2026-10-19T16:32:08Z","modified":"2026-10-19T16:32:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1602.8,1200.0 1602.8,1199.4 1540.9,1201.4 1427.7,1199.1 1264.7,1205.5 1221.0,1207.3 1087.0,1210.8 966.1,1215.5 930.8,1215.8 853.8,1216.8 850.5,1216.9 850.5,1231.6 414.5,1317.1 414.2,1303.0 236.2,1314.9 232.6,1279.2 232.5,1279.1 67.7,1443.0 64.9,1461.2 77.5,1518.3 92.2,1534.2 48.1,1647.7 45.0,1870.8 71.3,1910.6 1522.8,1911.6 1575.4,1726.8 1562.0,1210.4 1602.8,1200.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1235.0,1219.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.06993836251033,31.101425364443894]}},{"type":"Feature","properties":{"resourceCoords":[450.0,1219.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.07246226614068,31.103386448687825]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brewton, Alabama | 1949 | sanborn00017_007 p5 [2]","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":"6452.0"},{"label":"split_canvas_h","value":"4658.4"}],"created":"2026-10-19T16:32:08Z","modified":"2026-10-19T16:32:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"179.7,1152.8 179.6,1149.6 633.4,1116.4 633.9,1124.1 947.2,1125.3 946.4,1098.2 1134.5,1099.3 1294.7,1096.2 1295.9,1123.2 1436.5,1141.3 1496.6,1140.4 1582.2,1113.9 1559.9,861.9 1600.4,649.1 1593.4,210.4 1546.7,31.9 1492.1,51.1 1400.0,16.0 1327.2,35.4 1261.0,10.9 704.9,12.4 591.7,25.2 588.4,47.2 426.9,16.8 72.4,37.1 43.7,70.5 71.2,421.1 27.7,447.4 14.1,509.8 67.5,1108.8 64.5,1149.0 58.2,1152.8 179.7,1152.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1281.0,413.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.06859616051582,31.114039599589965]}},{"type":"Feature","properties":{"resourceCoords":[1281.0,1099.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0686432075584,31.111510183301693]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brewton, Alabama | 1949 | sanborn00017_007 p6 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.75"},{"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":"3330.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T16:32:08Z","modified":"2026-10-19T16:32:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"699.8,1817.4 702.6,628.9 739.5,544.4 739.5,543.7 746.5,528.3 789.2,430.0 799.1,127.0 707.3,59.7 437.9,31.6 293.5,60.0 153.3,36.6 97.5,80.5 34.3,575.3 64.3,963.7 32.8,1200.1 61.0,1814.0 75.3,1865.8 263.6,1878.5 264.4,1912.0 278.6,1895.7 304.6,1859.5 322.9,1890.7 348.5,1911.7 348.3,1912.0 350.8,1912.0 351.9,1912.0 699.8,1817.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[421.8,824.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.064331,31.115279]}},{"type":"Feature","properties":{"resourceCoords":[420.8,351.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.064352,31.117005]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Brewton, Alabama | 1949 | sanborn00017_007 p6 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.03"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2959.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3492.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T16:32:08Z","modified":"2026-10-19T16:32:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"759.9,1542.9 855.1,1646.0 847.5,1649.7 925.3,1666.8 1612.0,1778.3 1612.0,1755.7 1575.8,1748.0 1529.2,1586.5 1595.4,1113.0 1574.7,777.3 1459.8,482.4 1238.3,439.8 1164.4,330.9 1134.2,268.7 845.0,522.7 841.7,524.4 841.7,524.0 807.4,515.9 775.2,494.5 767.2,541.4 762.0,565.0 801.2,640.5 772.6,1074.2 789.4,1538.7 759.9,1542.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd397m:g3974m:g3974bm:g3974bm_g000171949:00017_1949-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1089.5,1534.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.065454,31.107827]}},{"type":"Feature","properties":{"resourceCoords":[771.8,823.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.065373,31.110489]}}]}}]}