{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08348_014.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Memphis, Tennessee | 1950 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"108"},{"label":"placed","value":"90"},{"label":"unplaced","value":"18"},{"label":"fit sources","value":"georef-snap 57, georef 32, snap:1 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 19 panels"},{"label":"unplaced pages","value":"p257__1 (tier 1, 35.13877,-90.02587 +/-202m); p257__2 (tier 1, 35.13817,-90.02281 +/-100m); p257__3 (tier 1, 35.13909,-90.02448 +/-106m); p258__1 (tier 1, 35.13912,-90.02006 +/-100m); p287 (tier 1, 35.13007,-90.02831 +/-246m); p289 (tier 2, 35.13126,-90.02825 +/-951m); p290 (tier 1, 35.12572,-90.02767 +/-525m); p301 (tier 1, 35.12131,-90.03897 +/-286m); p322__1 (tier 1, 35.08226,-90.06454 +/-100m); p322__2 (tier 1, 35.08207,-90.06375 +/-127m); p331__2 (tier 2, 35.08559,-90.06053 +/-100m); p333 (tier 1, 35.08354,-90.05888 +/-238m); p336__1 (tier 1, 35.08800,-90.07178 +/-250m); p336__2 (tier 1, 35.09004,-90.07022 +/-100m); p338 (tier 2, 35.08335,-90.04562 +/-100m); p340__2 (tier 1, 35.10397,-90.05784 +/-100m); p340__3 (tier 1, 35.10313,-90.06232 +/-100m); p344 (tier 4, 35.11923,-90.03858 +/-4700m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0251/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p251","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0251/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0251","type":"ImageService3","width":1422,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1283.7,1905.4 1285.7,1675.0 1224.4,1692.2 1187.7,1720.8 1129.8,1816.0 722.6,1810.4 722.5,1846.0 181.8,1948.0 58.8,1322.7 156.5,1308.6 64.0,644.6 165.0,137.2 224.6,87.9 615.4,60.4 1236.7,139.9 1301.6,224.6 1398.0,1158.8 1331.7,1398.7 1309.8,1941.0 1278.1,1912.7 1254.3,1928.5 1269.5,1886.1 1283.7,1905.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0251/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[728.0,1151.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0426643,35.1413809]}},{"type":"Feature","properties":{"resourceCoords":[728.0,2542.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0396215,35.1405819]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0252/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p252","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0252/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0252","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"121.0,1939.2 121.0,1799.9 112.7,1070.8 111.3,940.5 109.3,757.9 101.5,389.9 680.1,271.1 679.5,232.9 1116.7,231.9 1177.2,128.7 1216.1,97.4 1281.5,77.8 1283.3,325.1 1267.8,304.7 1227.0,424.3 1313.3,1111.0 1266.9,1574.2 1268.3,1580.8 999.2,1562.9 713.9,1537.9 489.2,1523.4 446.4,1511.9 291.3,1821.2 189.8,2010.5 127.0,2010.0 119.1,2010.5 121.0,1939.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0252/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[698.0,1018.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0396215,35.1405819]}},{"type":"Feature","properties":{"resourceCoords":[938.0,1556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.038366,35.1406774]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0253/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p253","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0253/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0253","type":"ImageService3","width":1422,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"430.6,1265.5 270.1,1136.0 6.1,934.5 24.6,896.2 78.4,686.8 152.8,422.2 217.8,171.6 1081.8,146.4 1210.3,262.8 1347.3,280.9 1308.8,697.2 1362.8,1347.2 1381.4,1346.5 1361.1,1561.3 580.0,1980.3 548.1,1811.3 538.9,1811.4 531.0,1677.7 518.4,1654.4 498.2,1514.0 477.9,1470.5 478.4,1345.4 417.9,1332.3 430.6,1265.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0253/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[564.0,1814.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03783451948708,35.138157712171015]}},{"type":"Feature","properties":{"resourceCoords":[1359.0,1391.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0359479280085,35.13871950457126]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0254/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p254","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.21"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0254/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0254","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"897.8,1739.0 533.2,1717.4 48.6,1665.7 59.9,638.2 863.5,330.4 911.5,115.7 1250.0,146.1 1297.1,243.5 1396.1,244.3 1388.3,769.6 1379.6,769.0 1351.8,1503.4 1375.2,1592.4 1394.1,1708.0 1393.0,1723.0 1396.5,1723.2 1396.9,1731.0 1396.0,1731.0 1392.0,1745.0 1391.0,1781.0 1397.0,1782.0 1397.0,1791.5 897.8,1739.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0254/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03786007622853,35.13902620266093]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03479618163881,35.138987141521305]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0348646883045,35.13534262241658]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03792858289421,35.13538168355621]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0255/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p255","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0255/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0255","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.6,392.9 148.6,151.3 247.1,109.2 1192.2,101.4 1254.1,183.5 1298.9,1630.5 1260.7,1873.3 1234.0,1887.3 970.7,1883.7 651.8,1883.0 126.2,1898.1 127.7,1596.3 115.8,1422.1 129.6,1420.9 147.6,392.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0255/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[130.0,1420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03089307749929,35.13826387812642]}},{"type":"Feature","properties":{"resourceCoords":[1265.0,120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0334740949525,35.14059829989226]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0256/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p256","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0256/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0256","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.0,1297.0 128.5,1186.9 129.8,815.2 134.8,441.1 136.3,51.2 670.1,40.3 994.0,43.7 1261.2,49.6 1195.5,83.6 1304.7,1212.5 1265.1,1881.7 1231.9,1923.2 189.2,1924.7 125.9,2009.1 115.2,2009.7 123.0,1297.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0256/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1247.0,1379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0266698,35.139876]}},{"type":"Feature","properties":{"resourceCoords":[123.0,1297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0271191,35.1378857]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0258__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p258 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"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":"5676.0"},{"label":"split_canvas_h","value":"5644.0"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0258__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0258","type":"ImageService3","width":1419,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1392.2,90.5 1389.1,35.5 1239.8,30.6 1225.0,31.0 1223.8,30.1 1189.0,29.0 1158.0,30.0 1155.4,27.9 873.5,18.7 743.7,73.3 637.9,18.6 349.6,10.1 341.0,10.0 229.0,19.0 210.0,25.0 37.0,25.0 16.0,20.0 16.9,1.0 12.5,1.0 43.2,1067.7 1.0,1275.4 1.0,1301.2 486.9,1368.3 1014.5,1369.1 1005.0,1269.0 1374.2,1261.9 1374.0,1161.8 1382.4,1131.0 1381.9,975.5 1390.5,974.4 1392.2,90.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0258__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[353.0,1265.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02336733338066,35.137540439762674]}},{"type":"Feature","properties":{"resourceCoords":[1360.0,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02086585123429,35.13932024570254]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0259/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p259","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0259/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0259","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"145.0,1975.3 38.6,1461.2 89.5,32.7 835.4,35.0 1112.1,82.8 1287.5,115.0 1317.5,120.5 1313.5,812.0 1299.0,812.1 1353.7,1377.3 1339.0,1377.5 1347.5,1954.3 1333.9,1954.7 1046.0,1967.6 113.7,1995.6 145.0,1975.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0259/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.04294363409352,35.14016483937562]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03987834286576,35.13982901901676]}},{"type":"Feature","properties":{"resourceCoords":[1412.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.04046689337339,35.136185391350644]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.04353218460115,35.13652121170951]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0260/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p260","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0260/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0260","type":"ImageService3","width":1419,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"119.2,1389.0 133.8,1389.1 86.0,824.2 100.3,824.3 112.1,134.1 206.3,152.9 899.4,290.0 1031.4,317.8 1159.5,348.2 1156.5,474.4 1176.1,518.8 1181.2,636.5 1205.9,684.5 1211.2,819.6 1220.5,819.8 1249.3,990.9 1292.0,969.1 1383.3,1941.2 1380.8,1981.9 1300.4,1981.7 923.1,1980.7 457.6,1962.5 376.4,1961.5 318.2,1973.2 298.4,1962.8 121.2,1964.9 119.2,1389.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0260/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[310.0,1382.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04001434624566,35.13735502466851]}},{"type":"Feature","properties":{"resourceCoords":[1207.0,357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03777597304672,35.13899946385931]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0261/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p261","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0261/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0261","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"766.6,198.3 757.1,176.2 1001.0,176.6 1010.5,333.8 993.5,361.2 1036.6,766.7 1026.3,767.5 1112.8,1796.3 728.1,1782.5 409.5,1771.8 399.7,1704.5 365.4,1577.9 333.3,1492.7 284.6,766.6 293.1,766.4 246.5,248.3 766.6,198.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0261/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[237.0,190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03484215462876,35.138657340224526]}},{"type":"Feature","properties":{"resourceCoords":[1059.0,190.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03303942130826,35.138479723940065]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0262/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p262","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0262/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0262","type":"ImageService3","width":1419,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"266.3,1803.2 242.4,1802.5 147.2,783.4 157.4,782.5 110.9,380.8 127.5,353.4 116.7,197.8 1145.8,204.3 1152.8,275.4 1196.5,757.4 1256.1,1328.2 1318.2,1881.6 1083.5,1845.8 992.0,1837.2 570.1,1817.1 271.0,1848.7 268.4,1823.1 266.3,1803.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0262/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[168.0,764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03321211380509,35.13748114389462]}},{"type":"Feature","properties":{"resourceCoords":[1171.0,203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0308352362368,35.138259408450104]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0263/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p263","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0263/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0263","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.5,1130.9 100.3,555.2 102.5,69.7 102.3,11.9 277.7,14.8 579.6,41.5 963.9,72.1 1332.4,105.0 1333.9,173.6 1337.4,1126.2 1345.5,1841.0 736.5,1843.1 629.6,1828.0 471.6,1792.6 114.8,1689.5 105.5,1130.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0263/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[722.0,1122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02960100565035,35.13618458057535]}},{"type":"Feature","properties":{"resourceCoords":[115.0,528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03090319812927,35.137300303944635]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0264/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p264","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0264/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0264","type":"ImageService3","width":1419,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1149.8,1857.0 461.2,1855.9 391.4,1848.7 102.2,1853.5 90.7,1131.4 82.6,169.2 80.8,99.9 451.1,127.5 560.4,140.8 1283.7,200.1 1312.0,224.7 1328.0,1013.7 1325.0,1014.0 1328.7,1050.4 1330.1,1118.8 1339.7,1118.2 1304.7,1842.9 1149.8,1842.6 1149.8,1857.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0264/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[687.0,1126.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02692499031157,35.13610701094478]}},{"type":"Feature","properties":{"resourceCoords":[687.0,152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02684194498264,35.13785672412161]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0265/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p265","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0265/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0265","type":"ImageService3","width":1413,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"207.1,1753.5 246.7,1034.0 237.1,1034.4 225.8,203.5 225.0,146.2 227.8,148.6 753.3,170.5 830.5,175.8 828.6,196.1 1234.8,301.8 1187.3,1003.2 1195.7,1003.1 1201.8,1277.5 1191.5,1756.0 1093.5,1752.2 879.3,1755.8 496.6,1756.8 215.2,1753.6 207.1,1753.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0265/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1203.0,1018.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02337401895743,35.13604855954997]}},{"type":"Feature","properties":{"resourceCoords":[75.0,1752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02592131879571,35.134786641627386]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0266/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p266","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0266/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0266","type":"ImageService3","width":1406,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.2,1765.1 100.4,1291.5 92.0,1020.0 83.7,1020.1 124.8,325.6 705.4,377.2 704.6,278.7 1065.2,303.3 1073.5,205.6 1084.3,176.3 1097.1,24.7 1105.5,24.4 1096.0,131.8 1236.6,140.8 1267.4,353.7 1320.7,1753.6 731.0,1762.8 173.2,1764.8 94.2,1765.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0266/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[92.0,1020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0233892,35.1360759]}},{"type":"Feature","properties":{"resourceCoords":[1297.0,1020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.020697,35.1359863]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0267/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p267","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0267/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0267","type":"ImageService3","width":1413,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.8,129.0 171.7,118.8 891.6,159.7 1181.8,113.8 1325.8,149.9 1328.7,245.5 1340.3,241.9 1361.5,747.8 1347.3,747.6 1329.5,1552.0 1328.5,1857.5 896.9,1894.5 397.4,1931.7 138.7,1948.5 102.4,1514.2 71.5,1072.6 72.8,1008.4 93.4,906.8 128.9,798.2 111.7,678.4 43.2,676.6 24.0,202.1 76.8,129.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0267/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1237.0,172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04383106360741,35.133936518813954]}},{"type":"Feature","properties":{"resourceCoords":[1353.0,1273.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04134140815492,35.13393264966341]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0268/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p268","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0268/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0268","type":"ImageService3","width":1406,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1382.6,943.9 1382.0,944.0 1383.0,1057.0 1383.9,1058.1 1385.4,1179.8 1388.0,1276.6 1388.0,1355.0 1390.1,1355.3 1390.2,1356.7 1388.0,1357.0 1389.0,1414.0 1391.7,1414.2 1391.8,1416.7 1389.0,1417.0 1389.0,1469.0 1393.1,1469.2 1393.2,1491.7 1388.0,1492.0 1387.0,1518.0 1393.4,1518.0 1393.5,1530.8 1387.0,1533.0 1386.0,1564.0 1393.8,1564.0 1393.9,1584.7 1385.0,1586.0 1385.0,1628.0 1394.2,1629.4 1394.3,1650.5 1384.0,1652.0 1384.0,1670.0 1388.3,1691.8 1383.0,1693.0 1382.0,1719.0 1393.9,1720.5 1395.3,1727.6 1107.4,1774.3 876.9,1801.2 316.4,1853.8 20.9,1877.8 19.4,1570.5 30.8,761.5 45.1,761.5 19.8,252.9 416.5,127.8 727.1,181.1 1284.9,124.2 1374.5,266.2 1382.6,943.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0268/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[320.0,1315.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04121388643512,35.13443462291248]}},{"type":"Feature","properties":{"resourceCoords":[850.0,211.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04353028732093,35.135628771268394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0269/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p269","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0269/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0269","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"143.6,1413.7 165.8,1413.2 169.3,995.4 161.2,925.2 156.6,526.8 160.4,345.1 154.3,139.0 172.6,137.5 754.0,83.9 993.1,56.5 1291.7,8.4 1290.1,91.6 1268.2,568.5 1264.6,955.1 1259.2,1535.0 1267.5,1755.2 169.1,1762.3 168.9,1738.5 154.1,1494.5 143.6,1413.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0269/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[737.0,92.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03997797593497,35.135313010854034]}},{"type":"Feature","properties":{"resourceCoords":[172.0,92.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04011559574774,35.13432329413955]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0270/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p270","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0270/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0270","type":"ImageService3","width":1406,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1175.7,1719.8 1125.7,1723.9 138.5,1816.5 141.1,1057.7 138.1,915.0 137.4,350.4 1212.2,349.5 1216.8,493.8 1210.1,990.8 1195.3,1310.2 1175.7,1719.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0270/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[140.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03506656450396,35.13386018662673]}},{"type":"Feature","properties":{"resourceCoords":[140.0,315.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03661532251128,35.13399691819141]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0271/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p271","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0271/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0271","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"621.2,2017.2 168.1,2019.3 129.3,1478.8 115.9,1219.9 85.3,719.9 53.8,287.8 37.3,11.0 235.0,9.0 409.0,16.0 791.0,19.0 858.5,12.6 1258.8,20.6 1263.0,1406.8 1244.8,1408.0 1257.8,1630.6 1283.4,1982.0 720.0,2011.1 621.2,2017.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0271/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[88.0,1169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04014951616878,35.13215397533726]}},{"type":"Feature","properties":{"resourceCoords":[89.0,1984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04031889279446,35.13066158131924]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0272/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p272","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0272/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0272","type":"ImageService3","width":1406,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"156.7,1616.7 152.6,1392.2 171.0,1391.7 222.4,21.4 301.0,16.0 500.4,13.6 537.0,15.8 1116.2,46.6 1257.0,51.3 1270.8,216.6 1296.3,1104.7 1296.4,1366.3 1317.1,1948.8 589.0,1960.2 168.1,1971.2 156.7,1616.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0272/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[158.0,1946.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03766387972803,35.13050662909058]}},{"type":"Feature","properties":{"resourceCoords":[158.0,1375.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03759605287323,35.13154797512513]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0273/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p273","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0273/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0273","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"607.3,2017.5 384.2,2015.3 384.2,2005.1 68.5,2000.4 68.3,1937.1 63.9,1350.2 71.2,1086.8 70.8,192.2 61.5,25.4 812.7,90.0 961.3,101.5 1091.7,584.8 1093.4,685.6 1126.8,714.9 1235.0,1116.1 1408.0,1122.5 1408.0,1211.7 1386.5,1222.0 1355.0,2006.1 1131.3,2018.8 720.9,2007.5 721.9,1955.4 654.2,1954.6 607.3,2017.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0273/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[766.0,92.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03343009016207,35.13370237692144]}},{"type":"Feature","properties":{"resourceCoords":[726.0,1335.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03358792523552,35.131450579561324]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0274/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p274","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0274/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0274","type":"ImageService3","width":1406,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"598.2,2026.8 477.7,1638.2 442.9,1610.0 437.5,1508.6 288.0,1027.0 138.0,1021.0 89.9,29.9 89.8,26.0 295.2,18.1 393.9,14.3 818.5,63.0 910.4,77.9 1144.9,129.9 1178.7,666.3 1200.6,1093.2 1210.4,1351.3 1208.5,1679.3 1221.6,1906.3 1221.5,1993.9 1050.4,2024.0 956.0,2027.0 755.0,2019.0 598.2,2026.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0274/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[440.0,1054.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03266740366485,35.13361070324993]}},{"type":"Feature","properties":{"resourceCoords":[1214.0,1658.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03104976251818,35.13243835304358]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0275/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p275","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0275/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0275","type":"ImageService3","width":1393,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.1,1767.0 101.7,1542.1 116.2,1218.1 116.3,962.6 110.9,540.0 98.0,16.2 120.9,15.6 452.7,115.1 610.0,152.0 716.4,168.1 1323.9,172.2 1323.0,1221.0 1316.9,1868.3 1345.8,1868.2 1384.4,2007.0 1369.0,2005.0 1365.0,2011.0 1334.0,2016.0 1155.0,2028.0 1154.0,2037.0 1042.3,2037.0 955.6,1952.2 954.3,1867.1 703.6,1860.0 229.5,1852.3 102.7,1853.5 106.1,1767.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0275/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1323.0,1221.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0283295,35.1329319]}},{"type":"Feature","properties":{"resourceCoords":[1323.0,865.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0283105,35.1335799]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0276/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p276","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0276/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0276","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"175.0,1221.6 167.8,160.1 456.8,157.4 526.5,165.0 1214.7,171.1 1213.4,493.2 1199.8,541.8 1142.7,582.7 1193.2,713.9 1214.4,848.5 1216.9,1217.9 1210.8,1882.8 1318.8,1948.5 1372.4,2010.2 1282.9,2011.4 1216.0,1968.0 1144.3,1931.5 1115.9,2020.6 1039.0,2026.0 728.0,2022.0 652.0,2028.0 242.9,2014.1 203.1,1876.5 173.8,1876.8 175.0,1221.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0276/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[164.0,1217.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02835330015554,35.13294079970819]}},{"type":"Feature","properties":{"resourceCoords":[164.0,861.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02832855773214,35.133580858357575]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0277/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p277","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0277/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0277","type":"ImageService3","width":1393,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"210.1,1929.5 103.5,1865.2 107.5,1210.6 103.8,847.0 82.5,714.6 32.4,585.6 88.5,545.1 101.7,497.2 102.0,166.0 262.4,166.9 541.1,169.3 920.2,167.3 1132.3,163.3 1229.4,166.8 1308.5,166.8 1309.6,677.3 1319.0,1207.0 1320.3,1703.5 1335.5,1767.0 567.1,1943.5 566.9,2015.8 299.0,2015.0 150.0,2027.0 54.0,2025.0 52.0,2018.0 6.6,2013.6 38.2,1913.3 108.9,1949.0 174.9,1991.5 263.0,1990.0 210.1,1929.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0277/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1319.0,1207.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0233328,35.1328089]}},{"type":"Feature","properties":{"resourceCoords":[102.0,166.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0259695,35.1347874]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0278/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p278","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0278/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0278","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"150.7,1833.7 122.4,1712.8 124.2,1212.1 118.0,678.0 120.0,163.3 682.9,168.0 1277.9,165.9 1316.2,1632.5 1241.3,1845.3 150.7,1833.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0278/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[118.0,678.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0233126,35.1337768]}},{"type":"Feature","properties":{"resourceCoords":[1257.0,1218.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0208239,35.1327394]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0279/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p279","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.52"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0279/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0279","type":"ImageService3","width":1400,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"781.3,93.2 788.0,25.8 907.4,17.2 1012.0,59.9 1110.8,87.4 1174.0,93.2 1158.7,406.1 1145.6,508.8 1101.9,1383.5 1087.3,1383.6 1149.2,1943.5 216.5,1929.4 235.9,1851.2 146.3,1781.8 142.8,1477.0 318.3,84.1 311.8,78.7 781.3,93.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0279/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[227.0,1379.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04435245538224,35.129302041970895]}},{"type":"Feature","properties":{"resourceCoords":[226.0,83.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0442500584253,35.131710217814636]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0280/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p280","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0280/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0280","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"776.0,74.4 1220.0,77.0 1217.3,655.2 1226.0,966.4 1220.0,1395.0 1214.2,1395.0 1211.2,2002.1 265.2,1970.7 211.8,1392.9 226.9,1393.0 288.1,493.1 303.4,387.6 325.0,65.6 776.0,74.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0280/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1220.0,1395.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0401735,35.1292009]}},{"type":"Feature","properties":{"resourceCoords":[1220.0,77.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0401223,35.1315797]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0281/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p281","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0281/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0281","type":"ImageService3","width":1400,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"137.1,1425.6 131.2,817.1 137.0,817.0 136.7,387.4 123.4,75.6 686.3,75.7 1262.4,81.4 1255.5,389.0 1257.7,588.8 1253.5,814.3 1274.5,1414.7 1258.0,1925.0 1258.0,1989.3 136.9,1947.8 129.7,1886.6 136.5,1812.5 125.8,1425.4 137.1,1425.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0281/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[137.0,817.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0401735,35.1292009]}},{"type":"Feature","properties":{"resourceCoords":[1258.0,1925.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.037785,35.1271414]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0282/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p282","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0282/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0282","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1181.0,1942.9 964.2,1930.5 784.6,1927.0 783.6,1914.0 597.0,1914.6 596.0,1927.6 509.8,1928.1 482.9,1963.4 116.3,1970.8 116.3,1916.7 131.9,1410.5 110.2,814.9 114.0,591.2 111.6,393.1 118.0,88.0 541.5,85.1 1274.0,88.0 1276.8,330.4 1262.3,400.9 1268.5,719.2 1287.9,834.0 1268.7,978.7 1276.5,1448.0 1277.0,1910.1 1277.4,1940.2 1181.0,1942.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0282/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[118.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0376444,35.1304596]}},{"type":"Feature","properties":{"resourceCoords":[1274.0,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0350795,35.1303889]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0283/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p283","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0283/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0283","type":"ImageService3","width":1400,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"233.8,1658.6 305.0,1673.0 626.0,1665.7 741.8,1645.7 887.8,1664.6 1361.1,1655.1 1345.2,341.0 703.0,350.1 703.0,383.8 582.4,380.3 43.5,365.1 59.0,590.2 52.5,1003.8 1.0,1003.5 1.0,1072.3 63.9,1118.2 64.4,1343.0 54.1,1343.0 53.1,1661.2 233.8,1658.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0283/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1347.0,1672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03521159743262,35.127947347206096]}},{"type":"Feature","properties":{"resourceCoords":[1347.0,357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0323193035973,35.127859802604945]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0284/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p284","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0284/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0284","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1215.0,1042.4 1212.5,1338.3 1200.6,1655.5 674.4,1656.3 631.8,1656.6 174.0,1654.0 171.3,363.3 446.0,365.0 677.2,370.1 1215.2,365.1 1215.0,1042.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0284/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[174.0,1654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0351756,35.1279209]}},{"type":"Feature","properties":{"resourceCoords":[446.0,365.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0323045,35.1273587]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0285/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p285","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0285/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0285","type":"ImageService3","width":1405,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"72.2,69.6 1.0,70.7 1.0,85.8 92.2,89.0 92.5,176.9 71.2,187.2 23.0,1486.7 22.9,1489.0 18.5,1607.2 51.5,1607.4 53.4,1959.0 703.1,1955.6 703.1,1959.9 1363.7,1959.9 1364.7,1999.7 1367.0,1998.0 1404.0,1970.3 1404.0,182.6 1375.5,155.0 1373.8,70.6 1125.5,64.7 655.6,59.0 529.9,60.7 361.2,84.4 268.7,84.2 72.2,69.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0285/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[70.0,1572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03220796720899,35.12908195455403]}},{"type":"Feature","properties":{"resourceCoords":[718.0,524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0306862673335,35.130973211617224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0286/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p286","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0286/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0286","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"36.9,712.1 39.1,608.0 40.4,330.6 38.8,49.6 696.5,45.9 696.5,50.2 1365.0,50.1 1379.4,606.0 1374.5,1196.0 1373.8,1281.1 1379.5,1358.2 1368.0,1417.0 1397.5,1426.5 1397.4,1469.4 36.3,1033.5 34.2,841.4 36.9,712.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0286/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[44.0,340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03227662657908,35.12784468166101]}},{"type":"Feature","properties":{"resourceCoords":[704.0,340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03081225851729,35.127810545593746]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0288/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p288","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.46"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0288/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0288","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.5,1329.2 134.2,1411.3 122.5,1474.1 1387.6,1867.8 1388.0,1857.0 1408.0,1856.0 1408.0,1836.0 1388.0,1834.0 1389.0,1800.0 1408.0,1797.0 1408.0,1779.0 1389.0,1777.0 1389.0,1764.0 1383.0,1763.0 1383.0,1744.0 1408.0,1743.0 1408.0,1722.0 1385.0,1722.0 1384.0,1707.0 1326.0,1707.0 1324.0,1657.0 1384.0,1654.0 1391.0,1649.0 1397.0,1603.0 1398.0,1418.0 1408.0,1417.0 1398.0,1414.0 1398.0,1309.0 1408.0,1305.0 1408.0,1286.0 1398.0,1285.0 1398.0,1268.0 1408.0,1264.0 1397.0,1262.0 1397.0,1243.0 1408.0,1241.0 1408.0,1172.0 1398.0,1171.0 1398.0,1155.0 1408.0,1154.0 1408.0,1104.0 1397.0,1103.0 1397.0,1071.0 1408.0,1070.0 1408.0,1062.0 1392.0,1061.0 1392.0,1045.0 1408.0,1043.0 1408.0,975.0 1392.0,971.0 1392.0,945.0 1408.0,941.0 1408.0,924.0 1394.0,923.0 1392.0,892.0 1408.0,891.0 1408.0,853.0 1391.0,850.0 1391.0,834.0 1408.0,833.0 1408.0,813.0 1391.0,811.0 1391.0,782.0 1408.0,779.0 1408.0,770.0 1395.0,768.0 1386.0,743.0 1387.0,723.0 1408.0,725.0 1408.0,251.0 1397.0,250.0 1395.0,166.0 1408.0,165.0 1408.0,50.0 1398.0,47.0 1397.0,23.0 1115.0,25.0 818.0,11.0 509.0,18.0 507.0,12.0 506.0,18.0 457.0,20.0 442.0,17.0 442.0,1.0 363.0,1.0 363.0,22.0 218.0,35.0 145.6,35.0 109.7,71.7 127.8,610.0 127.5,1329.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0288/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[120.0,706.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02935415008356,35.127129899519566]}},{"type":"Feature","properties":{"resourceCoords":[120.0,1394.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02940628329607,35.12595837553468]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0291/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p291","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0291/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0291","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"27.2,1246.6 85.1,1232.5 86.3,117.5 553.9,54.8 1097.6,134.9 1097.5,507.7 1135.0,609.2 1218.3,703.8 1329.9,772.4 1114.9,1079.1 1408.0,1692.9 1408.0,2020.0 1378.0,2017.0 1280.0,2028.0 1279.0,2037.0 935.0,2037.0 934.0,2028.0 622.0,2025.0 480.0,2017.0 207.3,2018.8 27.2,1246.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0291/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1113.0,1014.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0229255064354,35.1298457901324]}},{"type":"Feature","properties":{"resourceCoords":[88.0,106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0208738397758,35.13160012604855]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0292/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p292","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.64"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0292/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0292","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1275.6,983.8 1285.1,983.8 1293.6,2014.8 1046.0,2028.0 1045.0,2037.0 908.0,2037.0 907.0,2028.0 699.0,2024.0 612.0,2028.0 611.0,2037.0 561.0,2037.0 560.0,2028.0 476.6,2024.4 381.4,1816.8 380.5,1697.6 88.3,1096.8 296.5,795.1 186.8,728.7 104.5,636.8 67.2,537.6 64.6,172.8 94.7,177.0 680.8,113.0 1259.8,162.6 1275.6,983.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0292/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[75.0,1112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0230989034763,35.12987206260101]}},{"type":"Feature","properties":{"resourceCoords":[650.0,164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02105966284644,35.12875371307587]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0293/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p293","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0293/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0293","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"168.8,1048.6 162.2,240.1 302.1,239.8 302.3,236.1 373.1,239.7 1261.0,302.0 1261.0,1056.0 1253.4,1056.0 1296.8,2022.8 1240.0,2028.0 1239.0,2037.0 963.0,2037.0 962.0,2028.0 869.0,2024.0 686.0,2025.0 514.0,2014.0 175.3,2015.4 178.2,1048.7 168.8,1048.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0293/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1261.0,1056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0230372,35.1256816]}},{"type":"Feature","properties":{"resourceCoords":[1261.0,241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.021205,35.1256301]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0294/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p294","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0294/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0294","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.3,1056.0 86.0,1056.0 85.1,298.3 101.1,299.4 944.5,173.5 1232.2,178.0 1255.0,235.2 1209.1,235.2 584.9,2022.1 558.0,2023.0 351.0,2010.0 257.0,2009.0 122.5,2015.2 78.3,1056.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0294/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[86.0,1056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0230372,35.1256816]}},{"type":"Feature","properties":{"resourceCoords":[85.0,237.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.021205,35.1256301]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0295/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p295","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.14"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0295/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0295","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1408.0,1987.0 1132.5,2009.9 245.1,1995.9 58.8,1951.4 71.9,30.4 379.9,18.3 424.0,20.0 424.7,16.5 463.0,15.0 464.0,20.0 491.0,20.0 491.4,17.3 519.8,19.6 520.0,21.0 538.0,21.0 557.8,18.4 558.0,20.0 596.0,20.0 597.0,13.3 599.7,13.0 599.5,20.3 787.6,20.9 854.9,10.2 1356.2,57.3 1145.7,1273.4 1255.2,1197.0 1369.0,1732.7 1369.0,1957.0 1400.7,1956.4 1408.0,1987.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0295/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1369.0,1409.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0433657,35.1259055]}},{"type":"Feature","properties":{"resourceCoords":[1369.0,1957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0445583,35.1259484]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0296/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p296","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0296/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0296","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"352.6,2011.8 330.9,1982.4 299.3,1982.7 301.5,1759.3 193.6,1224.8 83.7,1299.8 298.1,131.2 540.6,58.2 528.5,40.7 1147.3,55.2 1190.7,239.4 1258.5,241.1 1258.4,383.8 1411.0,381.6 1411.0,386.3 1411.0,412.5 1352.3,441.9 1258.3,489.0 1213.7,511.3 1214.9,1353.3 1212.8,1948.8 352.6,2011.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0296/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1410.0,384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04114575612876,35.12386511249766]}},{"type":"Feature","properties":{"resourceCoords":[-873.0,1974.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0444522358752,35.128044116021044]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0297/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p297","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.55"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0297/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0297","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"178.9,1623.8 19.0,1665.5 19.0,1667.0 11.9,1667.4 1.0,1670.2 1.0,1689.1 19.0,1691.0 19.0,1720.0 1.0,1721.0 1.0,1736.8 1268.7,1707.2 1275.3,547.3 1325.9,463.5 1267.5,380.6 1259.7,78.2 149.6,65.9 151.6,248.9 167.6,256.1 124.2,802.5 84.6,796.2 161.6,1031.5 178.4,1019.1 178.4,1083.0 178.9,1623.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0297/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.04059573033571,35.12730293894106]}},{"type":"Feature","properties":{"resourceCoords":[1409.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03744543290735,35.12715272940644]}},{"type":"Feature","properties":{"resourceCoords":[1409.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03771110304442,35.123426301765846]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.04086140047278,35.12357651130046]}},{"type":"Feature","properties":{"resourceCoords":[1258.0,15.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.037785,35.1271414]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0298/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p298","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0298/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0298","type":"ImageService3","width":1412,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1283.2,40.5 1283.1,27.6 1187.0,30.0 971.0,17.0 792.0,13.0 791.1,1.0 668.9,1.0 668.0,13.0 649.0,13.0 648.1,1.0 604.9,1.0 604.0,13.0 518.1,13.2 491.1,48.3 125.8,54.6 125.3,368.3 181.7,453.2 128.5,536.0 90.5,1673.7 709.0,1843.3 702.0,1624.0 1180.5,1624.2 1322.2,1624.2 1309.9,570.7 1285.9,569.9 1283.2,40.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0298/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[702.0,1624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.036613,35.1241532]}},{"type":"Feature","properties":{"resourceCoords":[1283.0,19.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0352101,35.1270434]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0299/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p299","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0299/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0299","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"99.7,1284.0 99.8,238.9 394.5,252.2 691.9,257.0 1372.5,262.5 1365.8,858.4 1401.0,889.9 1401.0,1261.9 1401.0,1843.7 1365.5,1843.1 1367.6,1639.9 1364.4,1446.2 966.5,1449.4 464.1,1439.5 448.2,1427.2 414.0,1329.3 336.5,1286.7 99.7,1284.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0299/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0354001238584,35.12647945569911]}},{"type":"Feature","properties":{"resourceCoords":[1402.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03227449333713,35.126430462272914]}},{"type":"Feature","properties":{"resourceCoords":[1402.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03236095710794,35.122688032919555]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03548658762921,35.12273702634575]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0300/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p300","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0300/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0300","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"709.6,1903.7 124.1,1935.6 137.4,1336.5 152.0,489.3 292.8,422.1 352.4,393.6 352.9,362.5 199.3,361.9 199.8,340.3 292.3,336.6 466.1,339.3 746.1,205.6 1168.3,11.1 1170.0,26.0 1241.0,25.0 1209.9,697.7 1210.5,1762.9 709.6,1903.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0300/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[343.0,401.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04122391434952,35.12388188922663]}},{"type":"Feature","properties":{"resourceCoords":[721.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04442079264858,35.1232496896196]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0302/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p302","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0302/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0302","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"150.1,2017.0 210.0,2014.0 212.3,2014.2 240.0,2013.0 409.0,2015.0 680.7,1883.8 1090.3,1693.0 1092.0,1707.5 1161.1,1706.2 1163.1,1659.1 1211.0,1599.0 1212.8,1521.0 1215.1,954.6 1218.5,547.5 1224.4,123.7 1225.8,21.0 1168.0,22.0 1167.0,1.0 857.6,1.0 693.0,4.2 594.0,6.2 594.0,19.0 560.0,19.0 559.3,7.0 479.0,8.7 479.0,23.0 421.1,26.2 421.0,27.0 367.0,33.0 313.8,32.1 143.7,626.2 171.4,627.5 150.1,2017.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0302/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1162.0,1652.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.040315382354,35.12227152133355]}},{"type":"Feature","properties":{"resourceCoords":[684.0,23.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03665273214965,35.12308731530426]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0303/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p303","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0303/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0303","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1217.2,236.9 1217.8,517.4 1230.7,788.0 1237.8,856.1 1234.6,1277.3 1242.2,1768.0 671.4,1761.1 495.6,1758.0 409.7,1751.2 350.2,1692.9 168.8,547.0 187.7,245.1 184.2,232.6 1217.2,236.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0303/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1245.0,1268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04185992515268,35.12045777489785]}},{"type":"Feature","properties":{"resourceCoords":[210.0,535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04416234080547,35.12182178380333]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0304/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p304","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0304/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0304","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"489.9,1779.3 52.7,1776.1 39.0,1284.0 37.0,861.4 28.9,793.1 12.7,521.8 8.6,240.5 710.4,267.4 741.0,291.6 760.4,306.9 760.7,366.7 979.1,798.7 1103.8,1038.3 1220.0,1281.8 1336.6,1533.0 1408.0,1686.0 1408.0,1776.1 489.9,1779.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0304/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[39.0,1284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0418835,35.1204409]}},{"type":"Feature","properties":{"resourceCoords":[1450.0,1776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0387573,35.1194824]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0305/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p305","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0305/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0305","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1288.5,1445.3 1034.9,1561.2 788.9,1676.9 546.9,1801.1 110.6,2018.7 50.4,2018.6 58.7,2008.2 60.7,1929.7 64.2,1358.7 68.5,948.4 75.3,521.1 77.4,390.4 1035.7,403.4 1343.4,408.1 1324.2,950.3 1350.4,950.1 1358.1,1413.3 1288.5,1445.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0305/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[546.0,1789.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03973168082958,35.12128910816315]}},{"type":"Feature","properties":{"resourceCoords":[70.0,960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03787462272835,35.12212634311642]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0306/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p306","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0306/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0306","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"814.4,1549.0 283.4,1630.9 280.2,1375.7 191.0,1376.5 108.1,1416.2 93.7,961.2 68.0,961.8 78.9,428.8 275.1,428.9 277.0,88.2 758.8,78.4 1251.4,61.4 1253.3,656.8 1255.1,845.0 1363.0,812.0 1362.5,1610.4 814.6,1621.1 814.4,1549.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0306/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[804.0,1077.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0382153691944,35.11849930996159]}},{"type":"Feature","properties":{"resourceCoords":[1350.0,1617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03947365858834,35.11752383837465]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0307/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p307","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0307/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0307","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"512.1,401.9 703.0,400.4 742.5,421.2 760.7,470.6 768.9,476.7 1022.4,476.6 1223.0,471.0 1226.6,569.3 1227.7,672.6 1245.5,672.5 1235.7,188.1 1236.2,188.5 1240.5,397.4 1401.0,566.5 1401.0,1512.5 1235.3,1674.1 1235.6,1703.6 945.4,1707.5 473.2,1708.1 299.1,1708.3 297.6,1453.7 293.6,972.8 290.6,972.8 287.4,813.1 283.2,703.2 271.0,403.9 512.1,401.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0307/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[737.0,1708.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0347805,35.1193759]}},{"type":"Feature","properties":{"resourceCoords":[1223.0,471.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0324197,35.1237761]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0308/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p308","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0308/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0308","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1260.8,1874.5 1248.2,1462.4 1248.5,986.9 1242.7,520.3 1376.4,513.0 1317.3,504.4 1306.0,27.0 683.1,34.4 249.5,35.9 250.1,135.8 204.6,137.4 118.1,26.9 74.0,21.0 4.0,22.0 1.0,17.5 1.0,204.5 192.9,398.7 251.5,397.6 263.3,975.2 270.7,1915.1 760.3,1898.5 1260.8,1874.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0308/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[267.0,1390.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0347805,35.1193759]}},{"type":"Feature","properties":{"resourceCoords":[1306.0,27.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0318625,35.1173769]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0309/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p309","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0309/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0309","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1315.1,1882.9 678.0,1961.1 132.6,1916.4 122.3,1897.9 111.8,1320.8 107.2,880.2 93.0,214.9 633.0,127.0 633.9,200.3 1185.4,184.8 1265.2,857.4 1344.3,855.9 1309.6,1369.1 1306.8,1369.2 1318.3,1884.8 1315.1,1882.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0309/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[122.0,1324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04188626699226,35.11952297655173]}},{"type":"Feature","properties":{"resourceCoords":[1180.0,188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03946604556678,35.117521953737025]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0310/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p310","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0310/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0310","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1193.2,908.1 1196.0,1862.9 663.5,1867.8 264.4,1870.9 191.6,1194.8 197.9,1194.7 200.4,378.4 90.0,412.0 88.7,219.5 88.5,88.5 895.3,196.7 895.4,206.0 1194.0,125.0 1193.2,908.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0310/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[90.0,412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0377249,35.1176529]}},{"type":"Feature","properties":{"resourceCoords":[1194.0,125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0371646,35.1156441]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0311__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p311 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.99"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2989.2"},{"label":"split_canvas_w","value":"5608.0"},{"label":"split_canvas_h","value":"5162.8"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0311__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0311","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"206.8,885.1 167.4,884.9 170.2,1380.3 172.6,1853.1 869.5,1857.6 1146.2,1857.5 1177.9,1885.1 1178.0,892.3 905.7,887.0 401.9,884.0 206.8,885.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0311__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[580.0,1390.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0319095,35.1166259]}},{"type":"Feature","properties":{"resourceCoords":[1178.0,892.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0308295,35.1155043]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0311__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p311 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"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":"5608.0"},{"label":"split_canvas_h","value":"2989.2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0311__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0311","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"929.0,138.4 801.2,143.4 473.2,141.8 115.7,151.9 117.3,248.7 1.0,444.6 1.0,648.0 77.0,746.3 123.9,746.3 123.8,645.4 561.0,646.2 1189.2,641.9 1179.4,137.2 929.0,138.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0311__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[134.0,132.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03064604335322,35.119238852376]}},{"type":"Feature","properties":{"resourceCoords":[134.0,652.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03179043541445,35.11927704245366]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0312/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p312","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0312/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0312","type":"ImageService3","width":1409,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"922.3,1975.9 922.3,1966.7 125.4,1848.0 131.8,1375.3 131.8,964.9 146.3,491.7 154.7,27.2 180.0,28.0 288.0,24.0 288.6,14.7 310.7,15.1 312.0,25.0 346.0,25.0 346.6,15.8 368.5,16.2 369.0,23.0 433.0,20.0 433.1,17.4 930.0,26.4 1208.2,29.5 1239.7,57.6 1231.3,764.4 1219.0,1900.0 922.3,1975.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0312/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1219.0,1900.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0371646,35.1156441]}},{"type":"Feature","properties":{"resourceCoords":[638.0,21.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0329533,35.1166509]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0313/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p313","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0313/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0313","type":"ImageService3","width":1402,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"193.8,1834.7 193.8,1739.6 545.5,1735.3 868.0,1742.1 993.8,1739.2 1240.0,1742.0 1272.1,1742.2 1263.6,237.8 336.6,244.9 336.3,242.8 291.7,242.6 200.0,246.0 202.0,148.7 73.9,266.8 1.0,266.4 1.0,707.1 9.0,708.0 9.0,739.0 1.0,739.9 1.0,785.0 12.0,785.0 15.0,791.0 15.0,809.0 1.0,810.9 1.0,837.0 9.0,837.0 11.0,866.0 1.0,866.9 1.0,889.1 11.0,890.0 11.0,944.0 24.0,946.0 20.0,999.0 26.0,1008.0 83.0,1010.0 82.0,1063.0 20.0,1062.0 19.0,1045.0 18.0,1052.0 11.0,1053.0 10.0,1063.0 1.0,1063.0 1.0,1641.1 9.0,1642.0 9.0,1665.0 1.0,1665.9 1.0,1828.1 11.0,1829.0 9.0,1861.0 1.0,1861.9 1.0,1871.1 14.0,1872.0 14.0,1888.0 1.0,1888.9 1.0,1907.1 10.0,1908.0 10.0,1924.0 1.0,1927.6 1.0,1928.1 15.0,1930.0 15.0,1948.0 1.0,1948.9 1.0,2009.2 30.0,2016.0 81.0,2017.0 81.2,2017.7 193.8,1834.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0313/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1240.0,1742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0307513,35.1173574]}},{"type":"Feature","properties":{"resourceCoords":[200.0,246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0273444,35.1191945]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0314/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p314","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0314/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0314","type":"ImageService3","width":1395,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1152.0,272.5 1153.2,666.7 1169.9,1735.7 894.5,1733.7 385.2,1737.0 188.0,1740.4 180.6,1740.5 149.5,222.0 332.6,217.8 371.6,226.2 382.3,254.0 1151.6,249.3 1152.0,272.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0314/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1171.0,834.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02883075559545,35.11543775592981]}},{"type":"Feature","properties":{"resourceCoords":[1171.0,1733.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03082368605438,35.11550212345402]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0315/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p315","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0315/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0315","type":"ImageService3","width":1405,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"14.7,1900.5 331.1,1915.3 341.4,1887.5 785.6,1886.6 1338.1,1889.0 1359.6,1836.5 1371.8,1475.8 1337.8,445.1 1343.0,361.5 1366.0,352.5 1366.0,345.0 1366.2,328.9 491.1,17.1 265.0,11.0 20.0,20.0 18.0,48.0 1.0,49.9 1.0,750.0 9.0,750.0 14.0,755.0 14.0,771.0 1.0,773.8 1.0,791.0 16.0,792.0 25.0,801.0 24.0,818.0 1.0,818.0 1.0,839.0 8.0,839.0 15.0,854.0 25.0,856.0 24.0,874.0 1.0,875.0 1.0,894.2 15.0,897.0 15.0,909.0 26.0,912.0 27.0,1030.0 22.0,1032.0 27.0,1033.0 27.0,1051.0 23.0,1052.0 27.0,1053.0 27.0,1093.0 21.0,1094.0 16.0,1117.0 1.0,1117.0 1.0,1536.0 61.1,1600.6 11.0,1599.8 11.6,1646.7 13.0,1647.0 13.0,1670.0 11.9,1670.2 14.7,1900.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0315/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[791.0,1877.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02398828068105,35.11812742551535]}},{"type":"Feature","properties":{"resourceCoords":[1348.0,1327.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02149639066413,35.120025463632764]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0316/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p316","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0316/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0316","type":"ImageService3","width":1413,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"430.3,1914.9 430.4,1912.0 240.4,1911.5 48.2,1913.5 50.2,1473.3 48.9,1100.2 47.0,883.7 44.9,883.7 46.5,498.6 60.5,493.4 64.9,473.9 60.8,139.8 371.3,154.3 381.5,127.1 817.5,126.2 1360.0,128.6 1353.2,144.9 1388.8,981.6 1347.1,1916.5 1186.7,1914.7 1186.5,1941.5 430.3,1914.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0316/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[567.0,1234.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02526595850449,35.11410684715749]}},{"type":"Feature","properties":{"resourceCoords":[817.0,1234.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02415868326496,35.11408040283764]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0317/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p317","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0317/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0317","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.3,1923.2 81.0,1172.7 83.8,1172.7 89.4,990.2 79.1,599.2 68.4,152.3 575.5,142.8 1115.5,130.8 1314.7,128.8 1328.4,128.5 1334.0,346.9 1341.8,723.3 1347.2,1167.5 1344.1,1522.8 1351.8,1689.4 1352.3,1726.5 737.0,1724.8 736.5,1708.1 643.1,1756.0 593.9,1775.7 578.5,1789.0 492.4,1833.1 486.4,1858.9 489.8,1922.7 262.1,1920.8 76.3,1923.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0317/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[712.0,1161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.030436857632,35.11182808201885]}},{"type":"Feature","properties":{"resourceCoords":[86.0,1161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03318286907395,35.11193170846365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0318/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p318","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0318/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0318","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"188.8,1676.7 154.3,1677.0 102.6,1187.6 75.3,1188.0 68.9,1015.4 69.1,937.6 68.3,890.6 60.3,724.8 62.7,370.9 255.8,365.2 446.6,362.2 446.6,365.1 1206.8,377.4 1206.4,350.4 1367.6,349.2 1367.0,372.6 1394.4,1018.9 1346.7,1582.8 1175.0,1748.2 1181.4,1882.7 236.6,1935.5 188.8,1676.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0318/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[575.0,367.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02539419595587,35.111624997847926]}},{"type":"Feature","properties":{"resourceCoords":[842.0,1662.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02449290227767,35.10691222860899]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0319/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p319","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0319/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0319","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"140.2,1064.7 208.9,427.3 159.6,176.8 243.7,45.2 756.4,44.6 756.4,47.4 1265.6,92.7 1264.8,409.3 1264.2,936.5 1258.6,1922.3 170.9,1915.4 140.2,1064.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0319/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1265.0,412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04097566926072,35.11669139131201]}},{"type":"Feature","properties":{"resourceCoords":[1265.0,1910.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04104153679098,35.11395888784729]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0320/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p320","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0320/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0320","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"448.0,1986.1 255.8,1988.6 247.6,1003.2 238.2,32.4 1169.1,25.1 1176.9,669.2 1160.2,1328.3 1152.2,1976.0 448.0,1986.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0320/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[240.0,989.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04107233814744,35.11396351172301]}},{"type":"Feature","properties":{"resourceCoords":[1180.0,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03886987469727,35.11565219496119]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0321/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p321","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0321/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0321","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"703.2,1807.6 946.9,1810.9 1008.7,1811.8 1374.4,1448.4 1382.6,1045.3 1189.3,1045.2 1194.9,54.7 118.2,49.3 120.1,99.7 64.8,1301.4 1.0,1313.4 1.0,1444.9 53.9,1477.3 104.4,1791.0 97.7,1797.6 703.2,1807.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0321/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[747.0,1049.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04211244771594,35.11212181732413]}},{"type":"Feature","properties":{"resourceCoords":[747.0,66.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04206584800528,35.11393324450398]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0322__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p322 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1974.4"},{"label":"split_canvas_w","value":"5672.0"},{"label":"split_canvas_h","value":"6177.6"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0322__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0322","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"479.6,1861.1 703.4,1860.3 845.5,1860.8 1231.8,1860.2 1229.9,1687.8 1229.4,1347.8 1261.4,1347.0 1269.2,1089.1 1263.8,805.5 1260.2,556.5 1153.1,556.8 801.7,559.6 799.1,759.6 619.0,941.2 467.4,940.2 166.8,937.5 60.5,1042.7 82.4,1808.6 17.9,1839.5 1.0,1840.0 1.0,1859.8 148.9,1861.1 479.6,1861.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0322__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1277.0,1089.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03859244462002,35.11008612626363]}},{"type":"Feature","properties":{"resourceCoords":[473.0,936.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04222099415904,35.11073923292851]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0323/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p323","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0323/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0323","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"163.6,1636.1 160.5,1349.1 158.9,1097.2 50.6,1096.7 59.4,770.0 72.8,437.8 73.7,112.8 458.8,117.0 1023.0,120.5 1374.2,123.0 1373.3,560.2 1373.5,942.8 1363.4,1121.0 1360.6,1121.0 1337.1,1854.7 1190.3,1852.8 1189.6,1904.8 446.9,1901.9 153.5,1896.8 163.6,1636.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0323/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[680.0,687.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03622324792657,35.113534623481755]}},{"type":"Feature","properties":{"resourceCoords":[52.0,137.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03899240614243,35.11560078881177]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0324/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p324","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0324/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0324","type":"ImageService3","width":1433,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"112.6,595.6 114.0,573.4 119.7,286.2 116.8,266.4 234.1,264.0 408.1,195.6 1098.0,178.1 1097.7,220.3 1176.0,221.6 1173.9,551.2 1170.8,797.5 1167.4,1146.2 1164.3,1368.0 1159.2,1928.2 1133.2,1927.7 1064.7,1901.9 95.5,1918.0 112.6,595.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0324/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[905.0,1346.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0504873778335,35.103503633217635]}},{"type":"Feature","properties":{"resourceCoords":[113.0,756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.05386013611223,35.105648082656224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0325/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p325","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0325/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0325","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"74.7,1871.8 78.2,1327.6 80.7,1112.2 83.2,773.3 85.6,534.0 86.9,213.8 10.8,212.8 11.0,171.8 85.1,169.7 154.1,108.9 387.9,125.8 444.7,176.3 533.6,174.3 545.5,211.1 631.0,220.2 790.2,216.6 819.1,182.6 834.4,204.4 1149.5,197.2 1149.4,217.4 1301.3,219.6 1280.8,268.3 1273.2,339.8 1275.2,386.2 1269.3,775.3 1272.0,1085.5 1272.1,1330.8 1262.7,1546.3 1261.0,1883.6 1300.1,1884.2 1289.2,1942.5 1234.9,1995.6 634.8,2005.7 281.7,1958.2 49.4,1871.4 74.7,1871.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0325/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[638.0,779.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04682059611761,35.105357993695144]}},{"type":"Feature","properties":{"resourceCoords":[1272.0,1328.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04405455956201,35.10330589788396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0326/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p326","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0326/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0326","type":"ImageService3","width":1433,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"252.3,1665.5 257.6,1350.6 259.9,1151.5 162.9,1150.6 139.4,1163.7 324.7,254.3 356.9,255.9 400.6,218.1 526.1,215.8 529.2,186.2 799.1,203.3 1038.7,172.9 1191.2,229.2 1206.8,273.2 1222.4,272.9 1228.9,292.1 1223.0,570.1 1221.5,591.7 1202.8,1872.2 1181.3,1872.5 1108.2,1914.5 920.1,1925.4 730.2,1844.0 253.3,1801.8 252.3,1665.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0326/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[260.0,1356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.05820537464804,35.10348897161613]}},{"type":"Feature","properties":{"resourceCoords":[1215.0,895.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.05390218825646,35.10510769580279]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0327/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p327","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0327/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0327","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"108.6,1965.3 60.8,1576.4 109.6,1311.5 233.0,1156.0 152.5,429.4 217.8,340.6 1018.0,288.9 1091.2,258.8 1126.9,148.2 1283.2,119.9 1300.6,339.2 1281.8,893.4 1283.0,1428.0 1266.0,1984.1 1051.5,1979.4 480.8,1971.7 369.6,1971.8 365.0,2011.6 287.0,2012.0 246.8,2015.0 247.3,1972.0 108.6,1965.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0327/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[324.0,1428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0651165,35.0876779]}},{"type":"Feature","properties":{"resourceCoords":[1283.0,1428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0629645,35.0876609]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0328/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p328","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0328/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0328","type":"ImageService3","width":1433,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"210.6,1431.3 200.4,892.9 209.9,334.4 188.8,113.8 289.5,93.8 1053.2,140.3 1247.7,135.2 1272.0,336.2 1262.1,336.3 1270.5,877.7 1271.1,1430.8 1277.8,1988.7 202.8,1991.7 210.6,1431.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0328/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[213.0,886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.06292702656557,35.088654513383894]}},{"type":"Feature","properties":{"resourceCoords":[1265.0,886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0605842010556,35.088604029124525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0329/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p329","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0329/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0329","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"70.1,1985.5 61.5,1421.9 59.0,863.0 48.6,316.0 58.7,315.9 33.5,112.8 46.2,112.5 111.2,35.7 709.3,25.4 1333.2,126.6 1372.0,1935.6 1410.0,1931.9 1410.0,1969.0 1116.2,1972.0 70.1,1985.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0329/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1123.0,863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0582265,35.0885619]}},{"type":"Feature","properties":{"resourceCoords":[59.0,863.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0605715,35.0886189]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0330/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p330","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.55"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0330/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0330","type":"ImageService3","width":1433,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"129.2,631.9 1.0,632.9 1.0,637.9 99.2,634.4 131.5,781.5 143.0,1191.2 66.4,1624.7 80.5,1779.5 126.7,1878.3 315.3,1896.9 336.7,1855.9 477.0,1853.2 500.1,1904.5 600.4,1932.1 1109.7,1918.6 1138.7,1888.5 1136.2,1763.0 1194.7,1728.7 1305.4,1726.5 1388.4,1625.2 1398.3,1380.4 1361.3,1230.3 1343.5,1251.7 1324.2,1256.9 1353.7,112.2 1293.2,120.5 1081.8,76.5 708.9,79.9 575.2,38.2 273.8,64.8 273.1,83.2 128.0,83.1 129.2,631.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0330/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[105.0,357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.05844004183135,35.085563317366194]}},{"type":"Feature","properties":{"resourceCoords":[425.0,765.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.05704636497667,35.0840504878198]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0331__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p331 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3162.8"},{"label":"split_canvas_w","value":"5644.0"},{"label":"split_canvas_h","value":"4989.2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0331__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0331","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1293.8,1895.0 1286.8,1277.2 1282.0,847.4 180.8,853.6 186.7,1889.8 734.0,1894.1 1293.8,1895.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0331__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[734.0,1894.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0606575,35.0855979]}},{"type":"Feature","properties":{"resourceCoords":[734.0,850.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0583353,35.0855551]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0332/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p332","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0332/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0332","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1274.8,687.9 1268.4,687.2 1264.3,1147.3 1260.5,1147.3 1280.6,1647.8 1372.7,1623.3 1133.4,2011.0 998.0,2019.0 853.0,2013.0 828.0,2015.0 824.0,2021.0 804.0,2017.0 803.0,2013.0 614.0,2021.0 263.0,2015.0 262.0,2019.0 261.0,2015.0 176.0,2014.0 175.7,2014.0 174.7,1925.7 177.2,1359.4 179.8,1146.6 184.7,87.8 723.0,94.0 1273.7,96.8 1268.7,658.4 1298.5,681.8 1274.8,687.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0332/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[723.0,1148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0630412,35.0856349]}},{"type":"Feature","properties":{"resourceCoords":[723.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0606575,35.0855979]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0334/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p334","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.59"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0334/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0334","type":"ImageService3","width":1418,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"350.4,1983.2 614.9,1900.5 1109.3,1976.7 1293.9,1917.9 1390.4,1137.5 1371.2,723.8 1318.8,261.7 1270.8,119.9 1179.8,76.3 892.6,128.9 793.2,71.5 498.1,204.9 113.8,229.1 124.2,21.4 101.0,29.0 94.7,28.7 119.3,486.5 115.5,486.8 166.7,983.3 256.7,953.1 1.0,1432.2 1.0,1531.4 128.0,1525.1 350.4,1983.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0334/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[114.0,460.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.06300183123302,35.08463883276051]}},{"type":"Feature","properties":{"resourceCoords":[1352.0,554.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.06344350600348,35.082361191858595]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0335/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p335","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0335/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0335","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1385.2,508.8 1186.5,28.2 1055.6,26.9 1057.1,1.0 1027.9,1.0 1027.0,9.0 679.0,26.0 410.0,14.0 210.0,12.0 137.6,15.8 138.4,192.8 178.4,547.1 92.7,1038.7 120.3,1245.7 135.3,1265.0 129.4,1453.5 128.3,1489.2 123.2,1650.6 123.2,1657.5 1277.8,1799.2 1286.5,1687.7 1338.2,1679.2 1292.4,1620.8 1365.8,1582.1 1385.7,1477.8 1364.7,513.9 1385.2,508.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0335/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[688.0,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.06540708355399,35.08568080044462]}},{"type":"Feature","properties":{"resourceCoords":[143.0,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.06538064734886,35.08667180667011]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0337__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p337 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"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":"5644.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0337__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0337","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1345.3,1878.5 1342.5,1878.3 1385.4,1496.9 1338.9,975.2 1370.5,553.2 972.2,540.5 967.7,540.3 967.7,539.5 967.0,514.1 930.0,514.2 918.2,366.2 884.9,340.5 876.4,81.4 904.6,76.6 903.9,70.4 904.0,55.5 904.0,55.1 857.6,51.7 856.8,55.9 81.4,48.1 81.7,34.5 18.6,34.0 18.1,35.6 76.8,55.0 72.6,847.0 43.4,954.5 48.8,1380.1 78.9,1498.4 68.9,1541.2 47.7,1546.6 42.4,1536.4 42.9,1652.0 73.4,1904.0 1220.3,1950.9 1215.4,1931.5 1194.3,1913.2 1345.3,1878.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0337__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[59.0,1784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.05231014557137,35.08642105504599]}},{"type":"Feature","properties":{"resourceCoords":[59.0,56.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04461348247973,35.08639597141832]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0337__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p337 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.72"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3594.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2050.0"},{"label":"split_canvas_h","value":"2216.0"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0337__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0337","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1368.5,499.0 1369.2,500.6 1390.1,463.1 1368.5,499.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0337__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[898.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.05235879471734,35.08564692320101]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.05232083781286,35.086586009831365]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,554.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.05108075665176,35.086552487737805]}},{"type":"Feature","properties":{"resourceCoords":[898.5,554.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.05111871355624,35.08561340110745]}},{"type":"Feature","properties":{"resourceCoords":[1353.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0522535,35.0864779]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0339/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p339","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.24"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0339/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0339","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"271.6,206.4 262.6,401.8 262.4,408.7 1406.8,565.9 1403.4,602.7 1278.5,640.4 1326.7,1192.1 1255.2,1479.7 1122.8,1502.8 1139.9,1833.9 367.1,1905.8 167.4,1796.9 283.7,1582.5 133.3,163.0 272.5,58.9 267.9,19.5 280.2,19.4 271.6,206.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0339/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06806327461477,35.087247383163046]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06808645992486,35.0846630961485]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07265071559708,35.0846904827424]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.072627530287,35.087274769756945]}},{"type":"Feature","properties":{"resourceCoords":[255.0,860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0699935,35.0867919]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0340__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p340 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.74"},{"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":"5632.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0340__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0340","type":"ImageService3","width":1408,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"106.2,50.2 116.8,54.3 132.3,575.1 100.3,1115.8 123.8,1285.1 226.1,1367.1 255.5,1857.9 221.1,1943.9 266.3,1972.2 709.6,1959.0 741.5,1788.0 800.8,1732.5 801.0,1731.5 801.8,1731.5 802.6,1730.7 1098.1,1718.2 1191.6,1630.4 1195.7,1630.7 1193.2,1494.4 1195.0,1179.2 1195.2,979.9 1098.1,980.1 1074.6,993.4 1250.1,81.2 634.5,57.4 606.5,47.9 500.9,49.4 232.9,50.5 106.2,50.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0340__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1158.0,1198.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.05838314837283,35.10344419255288]}},{"type":"Feature","properties":{"resourceCoords":[232.0,75.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.06236456169398,35.107642763046]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0341/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p341","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0341/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0341","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"112.8,1432.9 461.4,47.3 495.1,46.8 685.5,43.9 685.1,49.8 935.2,41.0 1085.5,124.2 1283.0,87.7 1363.1,689.2 1266.9,1304.2 1152.8,1411.4 1052.6,1702.3 921.2,1736.4 866.8,1863.6 139.0,1904.0 64.0,1656.1 61.0,1433.5 112.8,1432.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0341/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03764903334037,35.084267072538914]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03449085829057,35.08417626068106]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03465124625637,35.08044580992501]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.03780942130618,35.08053662178286]}},{"type":"Feature","properties":{"resourceCoords":[304.0,50.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0369725,35.0841569]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0342/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p342","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0342/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0342","type":"ImageService3","width":1428,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.8,2006.2 83.5,648.8 39.6,648.9 37.4,473.2 36.4,126.7 69.0,125.7 364.9,128.0 1113.2,123.7 1113.5,71.2 1367.8,72.1 1367.5,299.6 1361.2,299.5 1362.5,647.8 1376.5,647.6 1356.7,1819.6 1285.9,1932.8 847.3,2005.1 247.5,2011.9 139.3,1985.5 139.3,2015.2 138.5,2015.2 128.1,2015.5 114.8,2006.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0342/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[264.0,1355.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0379916437704,35.10463166221876]}},{"type":"Feature","properties":{"resourceCoords":[1123.0,1008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03412031704762,35.10580247326134]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0343/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p343","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.30"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0343/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0343","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"117.0,588.7 78.2,102.8 291.5,43.0 991.9,209.4 1212.9,223.2 1293.7,171.3 1362.0,664.5 1189.3,1637.3 969.1,1800.2 475.6,1802.3 320.6,1714.5 40.7,1715.7 39.4,1719.4 41.6,1509.1 53.0,975.0 60.2,722.6 117.0,588.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0343/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06454162351257,35.107642310575486]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06452838098288,35.110226644456525]}},{"type":"Feature","properties":{"resourceCoords":[1411.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.05996404253709,35.11021100232013]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.05997728506678,35.10762666843909]}},{"type":"Feature","properties":{"resourceCoords":[53.0,975.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0623575,35.1077319]}},{"type":"Feature","properties":{"resourceCoords":[53.0,975.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0623575,35.1077319]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0345/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p345","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0345/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0345","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1288.7,1565.8 1300.0,1565.7 1296.2,1804.3 1278.2,1853.0 1207.6,1880.0 838.6,1914.3 199.6,1821.3 95.2,1833.8 92.8,1846.2 53.4,1845.2 58.8,1505.5 70.6,1288.6 73.2,1041.6 73.9,729.2 84.0,337.4 82.5,290.6 90.9,218.8 112.1,170.0 451.6,175.5 681.3,178.5 827.2,181.4 1223.8,187.3 1268.1,188.0 1274.8,1565.9 1275.2,1565.9 1275.4,1556.1 1288.7,1565.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0345/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[770.0,184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04090344816606,35.107260195424054]}},{"type":"Feature","properties":{"resourceCoords":[233.0,1288.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.04333641696944,35.103290890692975]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0346/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p346","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0346/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0346","type":"ImageService3","width":1428,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"958.0,1968.0 182.3,1976.1 182.3,1962.5 113.3,1963.3 65.9,1948.8 43.0,1767.8 36.2,730.9 69.1,107.8 164.1,53.6 385.9,37.1 731.7,61.7 732.2,174.4 1427.0,357.3 1427.0,383.4 1368.6,383.5 1402.5,1167.9 1352.3,1839.6 1329.0,1947.6 1292.8,1981.8 1110.9,1967.7 1006.3,1987.8 1005.3,1966.3 958.8,1963.8 958.0,1968.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0346/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[733.0,1957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0445535,35.0843069]}},{"type":"Feature","properties":{"resourceCoords":[182.0,257.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0369276,35.0861624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0347/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Memphis, Tennessee | 1950 | sanborn08348_014 p347","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T05:33:55Z","modified":"2026-10-18T05:33:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0347/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0347","type":"ImageService3","width":1411,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.8,808.0 55.6,808.2 55.4,458.4 61.8,458.6 62.7,230.1 139.8,230.6 365.1,236.9 363.1,173.7 369.5,148.2 455.4,106.3 471.0,93.4 520.0,74.8 613.4,29.3 613.6,45.7 1222.4,59.3 1222.4,69.3 1220.5,146.6 1223.3,318.2 1250.4,318.4 1291.3,805.9 1325.7,806.2 1367.6,1064.4 1338.0,1065.5 1366.5,1436.5 1350.0,1656.3 1311.8,1895.2 1242.8,1960.3 898.3,2010.4 46.1,1984.9 69.8,808.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd396m:g3964m:g3964mm:g3964mm_g08348195003:08348_03_1950-0347/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[417.0,807.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.03140317871717,35.10705797658094]}},{"type":"Feature","properties":{"resourceCoords":[1024.0,807.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.02871107889374,35.1069991355299]}}]}}]}