{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00364_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"West Memphis, Arkansas | 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":"19"},{"label":"placed","value":"17"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 13, georef-snap 4"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 7 panels"},{"label":"unplaced pages","value":"p14__1 (tier 1, 35.14585,-90.17753 +/-218m); p16__3 (tier 1, 35.14860,-90.15291 +/-137m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p10","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.2,208.0 1447.0,181.0 1447.2,301.4 1454.6,650.3 1456.1,936.5 1446.2,1055.7 1442.0,1615.0 1445.8,1912.0 1226.2,1912.0 1252.5,1832.7 1141.7,1796.0 528.9,1774.7 182.0,1849.0 78.6,1812.3 69.6,1736.5 179.1,1736.4 178.1,1634.0 181.6,1047.3 175.0,900.9 182.3,589.2 181.8,420.4 181.2,208.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1447.0,141.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1848107,35.1480648]}},{"type":"Feature","properties":{"resourceCoords":[1442.0,1615.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1848267,35.1453715]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p11","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"23"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"847.8,29.9 847.9,37.5 1337.6,59.9 1352.3,22.6 1429.3,69.0 1481.5,128.9 1514.8,180.2 1544.2,262.2 1547.4,326.6 1545.5,890.9 1549.3,1215.0 1548.1,1544.0 1548.7,1869.0 854.5,1877.4 653.0,1880.1 653.1,1893.4 385.1,1891.1 297.8,1862.4 232.4,1880.9 181.4,1848.4 72.4,1848.9 104.8,1772.4 104.2,1641.6 78.3,1536.3 92.0,1347.2 26.1,1234.9 36.4,282.6 104.9,155.1 104.6,97.0 217.0,34.7 711.3,43.4 712.4,25.5 847.8,29.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[853.0,1227.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.190785,35.1504263]}},{"type":"Feature","properties":{"resourceCoords":[853.0,340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1907672,35.1537186]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p12","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.0,166.1 22.3,231.8 11.8,806.3 10.7,1136.3 4.5,1471.3 1.0,1740.3 1.0,1825.9 634.6,1819.9 634.6,1820.4 1431.2,1909.3 1402.3,1887.5 1362.3,1867.8 1486.8,1869.0 1481.9,1880.0 1612.0,1868.5 1612.0,1860.4 1612.0,1858.0 1579.1,1862.0 1576.8,662.8 1505.1,95.8 1342.7,53.4 1041.7,172.3 904.8,170.9 705.0,80.8 665.4,108.9 665.8,83.7 665.8,80.4 338.8,68.4 338.5,67.2 2.1,113.7 20.0,166.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[966.0,1137.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1833654,35.1504935]}},{"type":"Feature","properties":{"resourceCoords":[655.0,805.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1847673,35.1516917]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p13","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"23"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.2,1489.5 47.3,1298.4 65.8,1188.2 29.1,1059.5 14.9,497.2 81.5,63.7 114.5,82.1 180.7,49.0 493.0,30.9 1437.3,28.1 1481.4,64.9 1518.2,61.3 1536.5,134.8 1558.5,138.5 1575.4,1847.3 1585.5,1851.8 1546.5,1880.0 1546.7,1855.1 1546.7,1851.8 1221.8,1842.9 1221.5,1841.8 888.0,1891.2 877.0,1860.0 843.6,1808.0 791.1,1747.0 713.5,1699.8 698.5,1737.4 203.4,1712.1 203.3,1704.4 66.5,1699.2 80.2,1489.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[847.0,1391.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1878961,35.1560223]}},{"type":"Feature","properties":{"resourceCoords":[803.0,468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1880973,35.1594103]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0014__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p14 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.21"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2325.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4126.4"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0014__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"723.8,772.9 732.4,819.6 966.6,1828.7 1207.6,1875.8 1538.3,1845.0 1567.0,1815.4 1557.3,1627.8 1542.5,1627.9 1503.6,1525.3 1502.9,1457.2 1495.4,713.7 1490.6,240.8 1494.0,1.0 1475.5,1.0 1433.5,66.2 1291.7,68.4 776.4,38.9 776.5,47.3 689.4,47.4 642.9,237.3 670.4,236.8 686.4,250.7 675.3,261.7 740.5,772.6 723.8,772.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0014__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1106.2,244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1775418,35.14652]}},{"type":"Feature","properties":{"resourceCoords":[1499.0,1077.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1758214,35.1434107]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0015__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p15 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.95"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4048.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3604.0"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0015__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"474.9,1815.5 628.8,1807.5 839.9,1841.4 1290.1,1803.5 1322.0,1734.1 1347.0,1374.0 1322.1,1071.9 806.8,1072.7 291.1,1073.5 294.2,1815.8 474.9,1815.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0015__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1324.0,1441.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1664522,35.1433101]}},{"type":"Feature","properties":{"resourceCoords":[809.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1688097,35.1419438]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0015__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p15 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.96"},{"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":"4048.0"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0015__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"290.0,839.0 290.3,907.5 328.9,1011.0 343.8,1011.0 343.1,994.8 1332.7,1010.4 1394.6,969.5 1397.0,844.9 1330.6,839.0 1328.6,90.5 1068.8,90.6 286.8,90.7 290.0,839.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[810.0,839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1734906,35.1419825]}},{"type":"Feature","properties":{"resourceCoords":[290.0,839.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1758315,35.1420019]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p16 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"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":"3502.0"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0016__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"339.9,868.0 369.4,833.7 433.7,862.9 794.3,846.5 1168.2,874.5 1315.2,874.5 1520.1,873.8 1523.4,843.8 1572.2,835.5 1537.9,806.0 1533.1,464.2 1539.2,370.2 1568.9,339.8 1542.0,302.6 1572.0,294.6 1534.2,276.4 1501.8,111.6 1069.4,98.9 1027.8,80.7 937.6,82.0 824.4,49.8 355.1,82.7 140.0,25.6 110.1,30.5 110.1,42.7 170.9,42.8 137.0,328.4 135.5,328.4 122.3,820.8 339.9,868.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[567.0,811.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.15648463504836,35.14462569460144]}},{"type":"Feature","properties":{"resourceCoords":[311.0,326.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.15757831208903,35.146379483527014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0016__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p16 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.50"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3502.0"},{"label":"split_canvas_w","value":"2980.8"},{"label":"split_canvas_h","value":"4150.0"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0016__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"720.9,1105.5 691.6,899.5 430.4,886.3 369.7,938.2 185.0,948.9 30.4,1017.0 42.0,1640.0 28.1,1864.8 50.2,1886.2 147.9,1873.5 179.8,1833.0 295.8,1834.5 430.9,1882.7 713.2,1855.6 713.5,1482.5 683.5,1432.3 720.9,1105.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0016__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[652.2,1021.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.19280473892532,35.130173446799795]}},{"type":"Feature","properties":{"resourceCoords":[460.1,1064.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.19368208313833,35.130026793756784]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"287.2,77.5 1478.0,187.7 1443.8,463.4 1451.4,463.4 1432.0,867.2 1318.0,868.0 1314.5,1198.1 1318.2,1865.2 622.5,1818.2 260.3,1873.1 67.6,1845.1 77.5,1814.4 298.0,1811.9 292.1,1514.2 292.5,953.5 301.5,833.9 298.0,547.0 288.2,197.3 287.2,77.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1318.0,868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.182528,35.1465335]}},{"type":"Feature","properties":{"resourceCoords":[1318.0,1833.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1825461,35.1447747]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1474.3,1868.7 1073.2,1848.5 605.5,1888.1 33.0,1847.6 31.5,1178.2 36.0,847.0 150.4,846.5 171.2,441.4 163.5,441.5 198.7,164.9 605.4,203.8 546.9,161.0 465.9,122.7 715.9,121.2 706.2,143.6 967.0,116.2 966.6,95.1 1405.3,34.8 1539.8,190.0 1548.4,412.8 1612.0,417.1 1612.0,428.6 1612.0,434.3 1434.4,432.5 1335.3,818.9 1391.5,818.4 1423.7,847.1 1401.0,869.3 1522.7,1912.0 1483.9,1912.0 1474.3,1868.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[731.0,847.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1809841,35.1465269]}},{"type":"Feature","properties":{"resourceCoords":[36.0,847.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.182528,35.1465335]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p4","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"612.1,1710.6 128.3,1716.1 129.2,1752.2 97.2,1716.5 61.4,1710.9 39.5,1536.1 45.0,261.6 36.5,160.1 556.1,147.5 1512.7,116.1 1562.1,1676.6 612.1,1710.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[577.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.173438,35.1464937]}},{"type":"Feature","properties":{"resourceCoords":[43.0,1192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1745774,35.1475179]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p5","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1555.3,1224.1 1553.4,1748.5 586.0,1746.0 60.8,1740.2 23.1,948.5 86.4,430.4 28.2,155.8 583.7,172.4 1559.2,174.7 1555.3,1224.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[586.0,691.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1699189,35.1464805]}},{"type":"Feature","properties":{"resourceCoords":[586.0,1746.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1722724,35.1464926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1571.4,310.0 1559.9,681.8 1573.2,680.6 1578.2,1732.8 599.5,1738.9 42.0,1727.0 39.0,1713.6 37.5,1105.1 57.5,451.7 115.4,354.4 100.5,139.2 571.9,158.9 571.9,162.0 1570.6,156.4 1571.4,310.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[61.0,1738.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.16874218062163,35.1474575277116]}},{"type":"Feature","properties":{"resourceCoords":[1553.0,156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.16527441289819,35.144702812360144]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"544.1,1760.8 544.1,1757.7 72.3,1735.6 68.5,1676.5 126.1,1490.2 84.3,279.6 71.3,268.7 548.3,220.1 548.8,178.7 1519.5,168.9 1518.6,324.7 1577.2,985.3 1549.5,1760.0 1544.0,1760.0 544.1,1760.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1544.0,1231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1641012,35.1446612]}},{"type":"Feature","properties":{"resourceCoords":[1544.0,1760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1652759,35.1446708]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"583.9,1752.2 583.7,1793.4 110.3,1844.2 70.9,1811.5 91.7,771.0 11.7,285.1 35.8,285.1 35.8,165.8 596.7,231.6 596.7,234.4 1563.9,259.1 1564.9,442.4 1549.0,549.2 1547.8,1737.2 583.9,1752.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[585.0,695.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.15937816525019,35.146417240231244]}},{"type":"Feature","properties":{"resourceCoords":[1550.0,1750.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.16177074931234,35.144682630333236]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"West Memphis, Arkansas | 1949 | sanborn00364_003 p9","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T17:41:12Z","modified":"2026-10-19T17:41:12Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.3,1503.4 39.2,95.5 298.3,94.9 466.9,94.5 777.9,102.0 924.1,95.5 1509.8,99.2 1612.0,98.3 1612.0,207.7 1562.4,213.6 1533.2,434.7 1584.9,574.6 1578.7,1871.8 82.6,1887.9 55.4,1912.0 51.3,1503.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004wm:g003641949:00364_1949-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[854.0,1513.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1908144,35.1465429]}},{"type":"Feature","properties":{"resourceCoords":[854.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1876514,35.1465405]}}]}}]}