{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03376_019.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"New Orleans, Louisiana | 1940 | mapsnap generated fit (2026-10-24)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-24"},{"label":"run","value":"corpus-v2.2"},{"label":"pages","value":"74"},{"label":"placed","value":"68"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef-snap 39, georef 29, snap:0 1, snap:1 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p215 (tier 2, 29.94859,-90.07904 +/-284m); p219 (tier 2, 29.94866,-90.08335 +/-105m); p220 (tier 1, 29.95344,-90.08154 +/-219m); p221 (tier 1, 29.96458,-90.07501 +/-246m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0201/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p201","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0201/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0201","type":"ImageService3","width":1362,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1032.6,1681.6 888.6,1736.7 380.5,1948.0 292.2,1600.6 230.9,1291.0 195.5,1111.7 46.8,359.7 18.6,172.6 754.4,168.9 812.4,165.3 1134.3,159.6 1123.3,360.1 1251.9,359.8 1165.7,830.8 958.6,829.8 958.2,977.1 1025.0,1302.7 1099.2,1691.0 1032.6,1681.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0201/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[914.0,835.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0786920099762,29.9563907140006]}},{"type":"Feature","properties":{"resourceCoords":[844.0,265.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.07973385272085,29.956927162080486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0202/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p202","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0202/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0202","type":"ImageService3","width":1362,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"142.9,1685.9 271.3,1726.0 439.2,1751.7 726.7,1747.2 1278.0,1743.3 1266.8,1197.4 1287.2,404.0 1325.0,366.1 1325.0,294.8 738.2,263.5 738.1,253.1 166.9,297.6 164.1,351.5 293.1,350.9 207.7,823.3 1.0,822.7 1.0,975.3 67.6,1296.8 142.9,1685.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0202/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[737.0,1289.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.07691635528914,29.95700057693467]}},{"type":"Feature","properties":{"resourceCoords":[1289.0,827.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.07697129782221,29.95831243456622]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0203/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p203","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0203/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0203","type":"ImageService3","width":1362,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"214.5,1553.2 160.9,1409.1 171.0,1342.5 212.7,1214.8 240.6,1047.7 239.9,761.0 243.2,211.5 489.6,134.1 987.4,168.2 968.6,181.2 1038.3,183.7 1036.3,765.7 1037.7,1063.3 1032.7,1277.8 1216.8,1877.7 1215.1,1878.1 793.5,1972.2 524.4,2037.0 410.4,2037.0 214.5,1553.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0203/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07559983501848,29.95785023819854]}},{"type":"Feature","properties":{"resourceCoords":[1362.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07332187982335,29.956336444119]}},{"type":"Feature","properties":{"resourceCoords":[1362.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0759179433422,29.953362376695267]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07819589853733,29.954876170774806]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0204/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p204","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0204/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0204","type":"ImageService3","width":1362,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"700.8,1816.0 610.2,1815.0 578.3,1800.0 601.1,1857.7 397.6,1903.0 321.2,1920.0 132.3,1314.5 136.2,1098.1 133.2,797.8 131.8,210.7 61.6,208.1 80.5,195.0 399.6,94.0 509.1,188.1 571.7,207.4 653.3,209.4 878.6,242.6 987.1,384.4 918.4,502.6 1009.8,732.3 995.3,1080.6 1151.6,1701.0 1156.2,1708.6 700.8,1816.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0204/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[493.0,805.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.07425284172662,29.95517414824056]}},{"type":"Feature","properties":{"resourceCoords":[897.0,157.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.07275713493262,29.955662159594755]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0205/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p205","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0205/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0205","type":"ImageService3","width":1364,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1015.5,1718.3 1038.4,1714.3 1011.3,1578.7 1111.8,1563.1 841.5,919.8 1150.0,863.5 952.0,140.4 878.9,153.5 122.6,288.9 55.0,297.8 1.0,921.8 1.0,1197.7 53.9,1713.9 82.1,1709.2 76.9,1965.2 156.7,1905.8 314.8,1944.8 362.4,1872.4 645.2,1781.6 1015.5,1718.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0205/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1291.0,843.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.07932950095899,29.953584369625357]}},{"type":"Feature","properties":{"resourceCoords":[56.0,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08263720271864,29.953508467316837]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0206/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p206","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0206/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0206","type":"ImageService3","width":1364,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1120.8,1759.6 887.9,1721.4 522.5,1669.7 91.3,1584.8 70.9,895.4 375.4,953.3 450.2,216.2 555.9,236.7 862.8,296.0 1214.6,344.7 1214.7,1094.5 1228.8,1784.2 1120.8,1759.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0206/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[871.0,1051.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0786322508606,29.953288667125765]}},{"type":"Feature","properties":{"resourceCoords":[73.0,1620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08059539281773,29.95267267573482]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0207/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p207","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.77"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0207/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0207","type":"ImageService3","width":1357,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"704.8,1788.7 647.6,1782.9 422.5,1737.7 263.8,1698.4 255.3,1002.2 261.6,245.6 261.6,219.8 367.5,261.7 641.9,303.0 1068.9,374.4 1084.5,377.1 1069.0,1128.2 1064.7,1127.5 1093.2,1827.4 964.6,1815.6 704.8,1788.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0207/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07791725172774,29.9549333409744]}},{"type":"Feature","properties":{"resourceCoords":[1357.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.075170936595,29.954281966051155]}},{"type":"Feature","properties":{"resourceCoords":[1357.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07629207935356,29.95068307124361]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07903839448632,29.951334446166854]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0208/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p208","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0208/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0208","type":"ImageService3","width":1357,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"70.0,1660.9 1.0,1652.5 1.0,1725.2 61.0,1732.0 642.7,1799.2 636.5,1722.5 1027.3,1769.2 1061.0,1770.5 1121.5,1580.8 1108.8,781.4 1043.3,348.5 584.2,268.9 501.7,232.5 478.3,206.3 476.6,268.0 272.6,230.0 209.7,218.3 183.7,972.4 179.4,971.7 198.1,1675.0 70.0,1660.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0208/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1081.0,1034.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.07457902726243,29.951915390722654]}},{"type":"Feature","properties":{"resourceCoords":[1081.0,357.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.07422737716566,29.953110021520196]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0209/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p209","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0209/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0209","type":"ImageService3","width":1357,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"613.3,298.3 612.7,339.8 1116.3,337.2 1154.9,320.4 1162.7,1357.2 1164.3,1677.7 1091.3,1758.4 957.3,1783.4 375.4,1771.8 196.9,1728.3 138.3,1651.4 154.0,421.5 258.3,309.7 253.1,305.9 613.3,298.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0209/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[613.0,319.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0815216,29.9444632]}},{"type":"Feature","properties":{"resourceCoords":[159.0,1731.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0795526,29.942373]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0210/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p210","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.37"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0210/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0210","type":"ImageService3","width":1357,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.3,1358.2 78.0,323.0 429.9,320.3 429.4,341.1 790.2,271.2 790.2,252.7 1165.4,288.2 1223.4,365.4 1045.1,1682.7 864.6,1771.5 267.1,1757.4 121.7,1736.0 77.6,1678.2 78.3,1358.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0210/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[78.0,1726.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0784134,29.9439141]}},{"type":"Feature","properties":{"resourceCoords":[78.0,323.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0809002,29.945289]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0211/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p211","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.21"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0211/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0211","type":"ImageService3","width":1357,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"561.6,106.8 570.2,136.2 1184.2,115.0 1335.1,188.9 1355.8,731.2 1268.2,1333.1 1045.5,1828.0 999.3,1853.4 936.0,1843.0 981.2,1863.4 937.0,1887.7 725.5,1848.7 512.8,1914.8 369.2,1839.4 133.3,1498.5 159.6,1148.8 41.2,828.6 75.9,83.4 561.6,106.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0211/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0765076245113,29.948744334721805]}},{"type":"Feature","properties":{"resourceCoords":[1357.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07370545976538,29.948242772060272]}},{"type":"Feature","properties":{"resourceCoords":[1357.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07456870527376,29.944570513939475]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07737087001968,29.945072076601008]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0212/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p212","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0212/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0212","type":"ImageService3","width":1359,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"318.2,289.9 204.3,289.8 113.1,351.5 64.2,1290.0 1.0,1290.3 1.0,1777.9 139.2,1729.7 1073.7,1733.8 1249.1,1642.7 1259.2,1645.9 1260.5,1612.2 1306.1,1221.2 1229.5,1227.6 1295.2,645.6 1325.8,371.9 1330.0,332.8 724.9,322.7 314.9,307.2 318.2,289.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0212/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1255.0,1688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0749187682464,29.950598259053574]}},{"type":"Feature","properties":{"resourceCoords":[541.0,1688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.07529313784444,29.949339304348502]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0213/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p213","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0213/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0213","type":"ImageService3","width":1359,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"635.0,303.0 829.7,302.9 946.4,751.6 914.8,751.5 915.0,1210.7 980.9,1211.1 705.0,1748.1 626.1,1746.4 262.2,1751.6 165.0,1678.5 148.9,1235.5 210.5,301.2 635.0,303.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0213/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[635.0,751.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0832916,29.945462]}},{"type":"Feature","properties":{"resourceCoords":[635.0,303.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0840764,29.945896]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0214/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p214","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.56"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0214/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0214","type":"ImageService3","width":1359,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"85.9,1726.7 356.3,1204.8 292.2,1203.8 293.4,755.3 324.3,755.7 212.2,316.3 245.9,316.6 568.1,319.7 568.0,326.8 1042.6,328.9 1043.1,317.6 1286.6,377.2 1285.5,386.6 1228.5,422.4 1121.5,758.2 1102.9,1385.0 1152.7,1682.9 1243.5,1692.4 1243.4,1710.8 887.8,1776.3 888.3,1755.8 541.6,1755.1 503.4,1771.1 8.1,1765.2 9.1,1724.3 85.9,1726.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0214/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.08466727460419,29.94617099051536]}},{"type":"Feature","properties":{"resourceCoords":[1359.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.08313087040281,29.948302518262686]}},{"type":"Feature","properties":{"resourceCoords":[1359.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07946768542516,29.946292004395485]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.08100408962653,29.944160476648157]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0216/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p216","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.29"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0216/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0216","type":"ImageService3","width":1359,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1869.7 1.0,1887.5 410.8,1824.8 1014.9,1719.2 1089.4,1710.6 1095.1,1478.2 1106.6,1313.0 1112.8,1199.4 1111.0,957.0 1099.9,578.2 1111.0,127.0 1115.6,23.8 975.2,23.6 973.5,82.0 695.4,213.6 230.1,300.8 298.6,550.7 176.6,1065.1 117.7,1765.5 92.3,1852.3 1.0,1869.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0216/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1111.0,957.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0789813,29.9520883]}},{"type":"Feature","properties":{"resourceCoords":[1111.0,127.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0805377,29.9527262]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0217/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p217","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0217/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0217","type":"ImageService3","width":1359,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1358.0,58.0 1358.0,88.9 1358.0,113.0 1168.3,117.5 1182.0,1445.6 1172.0,1445.8 1175.3,1898.8 849.8,1900.9 624.2,1902.3 206.7,1903.0 207.4,1891.0 132.3,1421.8 156.4,142.7 324.9,77.6 1079.0,90.4 1155.7,57.1 1358.0,58.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0217/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[629.0,1005.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0856631,29.9467952]}},{"type":"Feature","properties":{"resourceCoords":[175.0,1903.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0845904,29.9452046]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0218/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p218","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.14"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0218/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0218","type":"ImageService3","width":1359,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"172.0,59.3 1145.7,56.1 1217.7,155.8 1257.7,1859.5 1197.8,1940.4 825.1,1946.5 802.2,1961.0 803.3,1951.8 562.2,1895.0 561.6,1906.2 91.9,1908.0 92.0,1901.0 92.0,1457.0 101.8,1456.9 97.7,155.2 283.6,152.2 284.0,98.2 85.8,96.0 172.0,59.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0218/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[92.0,1457.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.084258,29.947192]}},{"type":"Feature","properties":{"resourceCoords":[92.0,1901.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0834504,29.9467467]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0222/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p222","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0222/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0222","type":"ImageService3","width":1352,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"59.5,1915.9 66.5,1914.5 39.4,851.2 34.7,835.1 34.5,610.5 34.0,256.8 47.9,256.6 81.6,152.6 47.6,152.8 56.4,145.8 494.7,137.6 518.0,71.8 510.9,134.2 668.2,141.5 681.1,74.5 851.2,62.1 957.4,148.0 1172.5,156.6 1240.2,252.6 1168.8,253.3 1144.3,841.1 1133.9,841.4 1185.2,1412.7 1037.7,1406.6 1048.0,1729.6 1052.5,1787.8 517.9,1896.2 74.0,1971.7 59.5,1915.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0222/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[517.0,1858.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08098257994678,29.957412439972277]}},{"type":"Feature","properties":{"resourceCoords":[38.0,200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.07959956461568,29.960318646074803]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0223/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p223","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.33"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0223/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0223","type":"ImageService3","width":1352,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1176.8,1928.8 719.2,2016.6 678.8,2023.7 618.1,2023.8 617.4,1897.0 108.8,1920.2 180.0,162.9 163.5,162.9 163.7,105.1 210.9,99.1 450.8,153.8 894.2,67.7 1135.9,147.8 1168.3,137.2 1171.9,163.1 1201.2,1924.3 1176.8,1928.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0223/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[662.0,91.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08222253243784,29.96213706065068]}},{"type":"Feature","properties":{"resourceCoords":[662.0,2077.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08491586747724,29.95914668521504]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0224/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p224","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.27"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0224/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0224","type":"ImageService3","width":1352,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"324.9,2021.3 308.1,2021.4 147.2,2022.0 110.5,206.8 106.7,179.8 341.9,101.9 586.9,126.0 725.0,74.0 1128.2,143.4 1183.4,100.0 1217.4,100.0 1183.0,203.8 1169.1,203.8 1167.4,557.7 1167.2,606.0 1166.3,782.2 1170.9,798.4 1191.4,1862.0 1184.4,1863.3 324.9,2021.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0224/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[639.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0804218,29.9609877]}},{"type":"Feature","properties":{"resourceCoords":[105.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0813044,29.9615887]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0225/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p225","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0225/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0225","type":"ImageService3","width":1333,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"170.6,1905.3 163.0,1137.0 166.8,774.4 159.8,367.8 751.0,256.1 1198.0,178.7 1203.9,236.4 1211.0,960.0 1206.0,1709.6 688.0,1799.7 170.6,1905.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0225/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[163.0,1137.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.088838,29.959452]}},{"type":"Feature","properties":{"resourceCoords":[1211.0,960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08684,29.958517]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0226/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p226","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0226/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0226","type":"ImageService3","width":1358,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"117.9,1174.3 110.9,434.7 104.9,375.6 37.7,387.2 46.7,168.4 583.2,144.1 583.9,289.0 690.5,270.4 1173.2,177.9 1163.5,240.8 1175.7,981.4 1176.7,1746.7 700.4,1827.8 112.5,1940.6 117.9,1174.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0226/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[113.0,1186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.086863054741,29.958505756426216]}},{"type":"Feature","properties":{"resourceCoords":[1173.0,965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08483190615716,29.95764119813024]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0227/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p227","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0227/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0227","type":"ImageService3","width":1358,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"20.8,1148.0 22.5,414.8 33.3,352.7 58.9,348.6 58.9,332.9 58.9,316.9 235.9,320.3 1095.2,182.4 1108.1,238.3 1325.0,775.5 1357.0,854.8 1357.0,932.9 934.8,1000.1 1040.6,1270.1 1221.2,1710.8 786.0,1782.0 7.5,1905.6 20.8,1148.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0227/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[551.0,1066.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0838491,29.9571531]}},{"type":"Feature","properties":{"resourceCoords":[786.0,1782.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.084359,29.9558475]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0228/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p228","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0228/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0228","type":"ImageService3","width":1348,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"778.0,1841.9 333.2,1932.5 139.2,1496.6 25.1,1229.5 445.8,1149.5 444.5,1073.6 409.0,992.8 175.7,461.6 618.5,385.8 1151.5,277.1 1166.3,1013.7 1286.0,993.9 1252.1,1629.9 1260.5,1884.4 1229.1,1757.8 778.0,1841.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0228/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1213.0,240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.07985993599956,29.95688799810704]}},{"type":"Feature","properties":{"resourceCoords":[-259.0,527.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0826621709459,29.95815457430558]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0229/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p229","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0229/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0229","type":"ImageService3","width":1365,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"159.6,1323.8 167.8,1322.5 181.6,927.9 152.4,933.5 159.9,464.6 160.3,464.5 691.5,359.4 1201.1,273.9 1262.0,889.0 1228.2,1132.9 1217.5,1135.0 1220.2,1878.0 1179.2,1902.8 1166.4,1894.8 907.7,1999.8 451.6,1983.3 255.2,1936.5 156.2,1791.5 152.3,1460.8 159.6,1323.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0229/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[696.0,352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0888075865494,29.957892666735027]}},{"type":"Feature","properties":{"resourceCoords":[167.0,440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08979270175249,29.958349655791427]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0230/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p230","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0230/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0230","type":"ImageService3","width":1365,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.2,272.4 705.8,162.3 1178.4,83.3 1181.7,744.7 1183.8,827.9 1207.1,823.8 1195.8,933.8 1185.7,935.6 1184.7,1289.5 1226.2,1287.4 1226.1,1878.2 987.8,1953.4 250.8,1991.5 82.9,1886.9 123.4,1862.2 118.9,1127.5 129.5,1125.4 162.2,884.1 100.5,276.0 122.2,272.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0230/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[655.0,1035.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08793005374307,29.955732462652886]}},{"type":"Feature","properties":{"resourceCoords":[655.0,182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08682951684806,29.956963622142037]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0231/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p231","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0231/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0231","type":"ImageService3","width":1342,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"156.1,1374.9 114.5,1376.5 119.0,1022.0 129.2,1020.2 141.6,910.2 118.2,914.0 117.0,830.6 120.3,168.0 901.1,39.6 1144.3,659.1 1131.2,661.3 1177.8,738.3 1198.9,872.6 1186.9,870.3 1164.8,1211.9 1163.7,1312.2 1015.0,1425.0 1112.4,1639.2 855.6,1815.4 870.7,1859.8 741.8,1836.8 595.9,1975.3 471.6,1995.2 197.4,1952.3 150.1,1966.8 156.1,1374.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0231/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[119.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0869179,29.9552827]}},{"type":"Feature","properties":{"resourceCoords":[645.0,81.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0848407,29.9560694]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0232/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p232","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"18"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0232/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0232","type":"ImageService3","width":1365,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.6,1606.3 144.3,1274.5 155.7,1278.9 158.5,1143.2 151.8,1143.1 126.2,1059.4 139.5,1059.5 9.1,408.1 451.0,412.0 905.0,412.0 1364.0,419.7 1364.0,598.1 1364.0,633.2 1334.8,1077.3 1363.3,1077.4 1315.5,1328.8 1246.0,1364.3 1294.6,1621.7 1227.1,1847.0 75.5,1688.6 43.9,1704.7 62.6,1606.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0232/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[905.0,412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.082682,29.955097]}},{"type":"Feature","properties":{"resourceCoords":[451.0,412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0835337,29.9554741]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0233/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p233","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.28"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0233/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0233","type":"ImageService3","width":1365,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1021.0,286.6 1226.1,1617.2 1253.5,1664.0 1280.1,1663.9 1364.0,1666.4 1364.0,1677.0 1364.0,1693.3 108.5,1701.3 60.6,598.4 128.1,274.0 1021.0,286.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0233/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1105.0,781.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0942946,29.9603844]}},{"type":"Feature","properties":{"resourceCoords":[1244.0,1709.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0924476,29.9595367]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0234/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p234","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0234/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0234","type":"ImageService3","width":1358,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"422.5,1740.9 394.3,1741.8 363.6,1692.9 54.3,17.9 67.2,17.2 117.5,291.4 872.6,285.3 1022.9,1115.8 1125.0,1665.7 1141.6,1751.9 1064.5,1753.8 868.7,1748.5 594.2,1740.8 422.5,1740.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0234/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[977.0,803.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09330782337605,29.96148455418632]}},{"type":"Feature","properties":{"resourceCoords":[899.0,291.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09425112771628,29.961946346991905]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0235/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p235","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0235/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0235","type":"ImageService3","width":1352,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1121.1,1931.1 895.6,1942.3 380.7,1947.9 281.0,1398.9 134.1,569.7 44.4,63.8 785.4,62.1 838.4,57.4 1312.4,55.7 1307.1,562.5 1314.3,1074.3 1306.9,1932.0 1121.1,1931.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0235/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1300.0,1085.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0919398291242,29.963010604255352]}},{"type":"Feature","properties":{"resourceCoords":[1300.0,577.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09278012995023,29.963577698776735]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0236/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p236","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0236/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0236","type":"ImageService3","width":1361,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"309.1,1711.6 444.2,1738.4 444.4,1746.7 835.1,1816.8 833.7,1786.9 1299.2,1861.3 1296.8,1400.5 1295.9,1243.0 1268.6,431.6 1360.0,444.4 1360.0,426.1 58.5,275.0 40.8,500.5 52.7,1071.8 125.6,1384.3 57.3,1629.9 1.0,1670.2 1.0,1671.0 309.1,1711.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0236/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[664.0,1758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09066949820388,29.9574201122521]}},{"type":"Feature","properties":{"resourceCoords":[541.0,316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09339764514007,29.958500874912698]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0237/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p237","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0237/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0237","type":"ImageService3","width":1357,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"313.4,334.6 313.4,305.8 395.9,308.3 671.1,324.8 803.2,332.4 867.5,336.2 944.9,336.8 1078.9,1168.4 1173.2,1774.5 385.5,1759.7 328.2,1304.5 308.6,1149.2 185.0,351.1 276.8,352.8 275.7,334.7 313.4,334.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0237/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[317.0,1169.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09091138177337,29.958853980730385]}},{"type":"Feature","properties":{"resourceCoords":[1169.0,1771.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08884902466482,29.959449605005293]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0238/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p238","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0238/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0238","type":"ImageService3","width":1357,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"719.3,1781.8 350.7,1771.1 251.3,1171.0 110.3,347.6 95.6,261.4 609.4,265.2 834.5,258.1 1020.0,262.2 1017.2,351.1 931.3,350.9 928.0,483.6 948.1,595.0 1042.0,1171.3 1132.8,1782.5 719.3,1781.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0238/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[748.0,1776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08832873707097,29.96002512417663]}},{"type":"Feature","properties":{"resourceCoords":[891.0,309.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.090613981922,29.96183615340309]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0239/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p239","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.69"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0239/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0239","type":"ImageService3","width":1357,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.8,216.4 553.6,208.8 1243.0,195.0 1243.0,816.0 1245.8,816.0 1241.2,1870.6 323.0,1830.8 256.3,1439.2 143.4,832.0 41.8,216.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0239/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1243.0,816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0864558,29.9621626]}},{"type":"Feature","properties":{"resourceCoords":[1243.0,195.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.087477,29.962849]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0240/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p240","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.62"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0240/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0240","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"36.6,821.8 33.9,821.8 36.0,205.0 595.0,205.0 1195.5,199.3 1197.4,24.0 1208.9,24.0 1201.6,164.4 1254.6,245.5 1283.6,879.7 1211.7,1638.5 1243.9,1906.3 1183.0,1905.8 1183.0,1923.1 28.5,1869.1 36.6,821.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0240/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[595.0,205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0867621,29.963653]}},{"type":"Feature","properties":{"resourceCoords":[36.0,205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.087477,29.962849]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0241/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p241","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0241/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0241","type":"ImageService3","width":1358,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"86.8,1006.8 86.2,1096.0 1.0,1098.1 1.0,1236.2 23.1,1342.7 131.8,1919.0 641.0,1906.9 1326.7,1887.1 1320.2,979.0 1314.5,553.0 1311.6,135.2 667.8,139.0 88.3,147.2 86.8,1006.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0241/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[86.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09195051075334,29.96304555115791]}},{"type":"Feature","properties":{"resourceCoords":[1305.0,142.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09036948005375,29.964779009652382]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0242/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p242","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0242/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0242","type":"ImageService3","width":1358,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"615.9,173.8 1187.8,169.0 1186.0,187.8 1262.8,850.4 1224.0,1708.2 1211.4,1732.2 1210.8,1906.7 613.2,1916.5 56.9,1920.5 55.2,1018.3 51.9,595.0 51.2,180.0 615.9,173.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0242/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[60.0,588.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.08968365870675,29.964350323422355]}},{"type":"Feature","properties":{"resourceCoords":[60.0,1914.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0874836496127,29.96286065945077]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0243/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p243","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0243/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0243","type":"ImageService3","width":1358,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"47.3,263.2 631.3,260.7 1279.6,256.2 1279.1,767.6 1275.3,1276.2 1278.7,1791.2 633.5,1792.4 52.8,1798.2 44.0,1284.2 47.8,775.1 47.3,263.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0243/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[55.0,1281.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09278600028539,29.963623238573934]}},{"type":"Feature","properties":{"resourceCoords":[1281.0,1787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09037578722419,29.9648039632461]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0244/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p244","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0244/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0244","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"600.9,268.2 1166.2,260.5 1206.0,301.4 1269.7,796.3 1183.7,1768.8 614.0,1778.0 51.6,1788.5 45.1,1280.0 45.7,777.6 43.0,272.7 600.9,268.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0244/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[59.0,770.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09204843072335,29.96596638662461]}},{"type":"Feature","properties":{"resourceCoords":[622.0,261.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09215110935594,29.967353547236325]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0245/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p245","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0245/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0245","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"542.6,89.7 542.5,81.0 274.6,45.0 143.4,128.4 61.0,535.9 73.2,1583.8 1.0,1600.2 1.0,1635.7 550.3,1808.5 553.3,2018.4 565.9,2018.5 562.0,1780.4 1308.4,1900.1 1304.0,1506.9 1297.9,951.5 1288.2,616.1 1284.8,376.1 1350.0,384.4 1350.0,288.4 1303.4,271.6 1144.2,232.0 1163.5,225.6 542.6,89.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0245/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[546.0,1370.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09794842876266,29.962031717028708]}},{"type":"Feature","properties":{"resourceCoords":[1294.0,1530.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09690357614735,29.96308885222374]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0246/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p246","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0246/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0246","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"648.3,258.9 1156.9,175.1 1151.0,931.0 875.8,976.9 876.3,989.9 1142.6,945.0 1142.5,1896.8 1116.2,1891.7 233.1,1973.2 101.2,1848.9 38.0,1688.6 72.7,1683.3 160.7,1110.3 368.8,1075.3 366.9,1062.8 131.0,1103.0 136.1,343.4 648.3,258.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0246/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[131.0,1103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.097175,29.961701]}},{"type":"Feature","properties":{"resourceCoords":[1151.0,931.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0952601,29.9608317]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0247/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p247","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0247/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0247","type":"ImageService3","width":1354,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1952.9 1.0,1974.6 9.4,1990.6 22.2,1828.4 31.0,1780.1 124.9,1764.5 127.4,1829.6 361.6,1787.1 688.0,1723.0 1230.2,1626.6 1221.4,895.4 1222.0,212.0 679.0,212.0 114.8,218.0 115.5,526.9 120.0,840.0 120.2,1097.5 43.5,1111.0 1.0,1952.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0247/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[679.0,212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0960137,29.9657938]}},{"type":"Feature","properties":{"resourceCoords":[1222.0,212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0951068,29.9651809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0248/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p248","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0248/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0248","type":"ImageService3","width":1354,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"579.8,1684.5 190.9,1755.9 178.0,1014.6 174.9,321.6 563.1,320.3 1074.7,318.1 1079.2,793.9 1084.3,847.0 1090.5,1590.8 579.8,1684.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0248/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[185.0,979.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09594074379942,29.964235534817238]}},{"type":"Feature","properties":{"resourceCoords":[575.0,321.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09444975829886,29.964733386921278]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0249/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p249","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0249/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0249","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"50.6,294.3 636.9,171.1 637.1,135.5 686.0,135.2 687.8,406.0 1274.3,401.4 1270.4,972.6 1268.0,1903.0 626.0,1903.4 47.6,1902.3 49.8,1517.6 52.0,972.0 48.2,405.1 50.6,294.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0249/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[52.0,972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0960137,29.9657938]}},{"type":"Feature","properties":{"resourceCoords":[1268.0,1903.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0928929,29.9665097]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0250/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p250","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0250/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0250","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"34.4,386.6 33.7,219.8 600.6,230.1 601.5,301.3 1193.8,223.7 1193.6,132.6 1228.4,132.8 1205.3,671.7 1273.2,1153.7 1152.6,1886.6 1164.3,1898.9 597.0,1903.0 37.2,1903.9 34.0,973.0 34.4,401.5 34.4,386.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0250/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[597.0,972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.093711,29.968363]}},{"type":"Feature","properties":{"resourceCoords":[597.0,1903.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.092167,29.967315]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0251/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p251","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.82"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0251/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0251","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1235.0,814.0 1235.0,1011.8 1246.6,1264.0 1263.5,1913.0 1225.6,1870.8 973.8,1959.0 301.4,1995.7 127.9,1897.7 53.0,1506.6 96.1,1506.2 142.9,949.7 154.4,686.2 193.8,163.5 281.6,166.5 1228.6,149.9 1236.0,534.0 1235.0,725.5 1235.0,814.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0251/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1223.0,535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10457177231743,29.968091727638065]}},{"type":"Feature","properties":{"resourceCoords":[1223.0,1283.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10555684361448,29.967027981985716]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0252/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p252","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0252/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0252","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"65.7,1260.1 57.7,1008.8 61.8,723.8 65.4,533.0 63.6,150.4 624.5,154.2 1180.8,150.7 1179.0,273.7 1190.1,1061.6 1173.9,1064.8 1230.9,1946.9 1170.3,1989.2 241.7,1984.0 123.4,1964.1 73.2,1906.5 65.7,1260.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0252/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[630.0,149.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10310922869684,29.967997781330723]}},{"type":"Feature","properties":{"resourceCoords":[1189.0,1933.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10449423178932,29.964792273650968]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0253/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p253","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0253/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0253","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"158.9,1124.9 175.2,1122.2 184.3,334.7 189.3,211.9 499.6,226.8 678.0,262.0 1177.7,188.1 1174.8,239.8 1173.1,545.7 1163.2,971.0 1159.2,971.6 1254.8,1914.5 1157.0,1986.7 248.5,1971.1 193.2,2007.6 158.9,1124.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0253/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[175.0,1121.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1033596009382,29.966051468885084]}},{"type":"Feature","properties":{"resourceCoords":[175.0,199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10220139313223,29.967410190412895]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0254/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p254","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.79"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0254/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0254","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1231.9,1656.0 1226.6,1656.8 1230.0,1925.9 1190.8,1880.6 907.4,1982.5 297.6,1969.3 219.4,2028.0 211.4,2028.0 109.0,1089.0 113.0,1088.4 119.7,661.9 119.1,355.2 614.5,272.9 1193.7,182.2 1338.8,159.6 1235.1,1655.5 1231.9,1656.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0254/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[631.0,992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10049428015122,29.96476992286806]}},{"type":"Feature","properties":{"resourceCoords":[131.0,1085.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10145557462107,29.965182292020287]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0255/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p255","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0255/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0255","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"681.4,201.6 1244.9,200.7 1241.6,765.7 1228.6,1833.8 60.2,1821.0 92.8,1640.3 102.6,1326.6 104.0,765.0 113.0,198.8 681.4,201.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0255/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[104.0,765.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1031253,29.9679964]}},{"type":"Feature","properties":{"resourceCoords":[1234.0,1329.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1007504,29.9690029]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0256/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p256","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0256/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0256","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"139.3,632.4 52.0,135.0 1208.1,135.8 1207.8,1126.1 1203.7,1718.8 1200.4,1913.6 891.1,1914.5 577.7,1919.2 319.8,1919.6 280.9,1698.5 179.2,1123.0 87.6,630.8 139.3,632.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0256/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1208.0,631.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0990924,29.9678801]}},{"type":"Feature","properties":{"resourceCoords":[25.0,135.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1014602,29.966731]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0257/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p257","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0257/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0257","type":"ImageService3","width":1352,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"618.5,125.8 1260.0,126.0 1260.2,1715.2 1260.5,1893.4 1260.5,1908.3 673.4,1915.2 670.6,1644.1 621.6,1644.7 621.6,1680.3 35.2,1805.8 36.7,1721.0 41.4,1125.6 42.6,130.8 618.5,125.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0257/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1260.0,1125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0966899,29.9690751]}},{"type":"Feature","properties":{"resourceCoords":[1260.0,126.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0983491,29.9701959]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0258/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p258","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0258/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0258","type":"ImageService3","width":1344,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"593.4,133.9 1183.7,127.2 1182.5,128.2 1270.9,779.4 1237.5,1655.3 1202.4,1655.2 1203.1,1746.9 607.2,1828.0 606.0,1756.3 35.2,1748.8 35.1,1737.3 23.4,138.1 593.4,133.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0258/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[606.0,633.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09678022395123,29.97046726774101]}},{"type":"Feature","properties":{"resourceCoords":[45.0,1132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.09668993829067,29.969108251572973]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0259/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p259","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0259/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0259","type":"ImageService3","width":1344,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"614.0,1824.7 39.4,1829.7 42.2,770.3 40.2,209.9 616.9,199.8 1253.9,208.4 1254.0,1824.8 614.0,1824.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0259/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[40.0,1329.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1007504,29.9690029]}},{"type":"Feature","properties":{"resourceCoords":[1254.0,1329.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0991745,29.9707534]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0260/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p260","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0260/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0260","type":"ImageService3","width":1344,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1218.2,197.0 1271.4,796.0 1230.8,1383.5 1286.9,1744.8 1193.1,1827.3 604.0,1830.2 35.1,1830.7 33.9,203.7 1218.2,197.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0260/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[604.0,1327.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0984473,29.9715736]}},{"type":"Feature","properties":{"resourceCoords":[604.0,201.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1003084,29.9728326]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0261/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p261","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.94"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0261/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0261","type":"ImageService3","width":1344,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"639.6,1850.7 54.0,1865.0 46.0,1010.1 48.5,924.0 45.2,167.8 633.1,175.4 675.0,176.6 1294.0,172.5 1293.9,1017.9 1291.2,1106.8 1286.7,1855.0 639.6,1850.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0261/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[54.0,1865.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1026128,29.9702616]}},{"type":"Feature","properties":{"resourceCoords":[654.0,176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1045924,29.9729953]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0262/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p262","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0262/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0262","type":"ImageService3","width":1346,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"600.8,178.5 1223.2,178.1 1205.8,412.1 1269.5,1133.2 1213.9,1872.2 21.1,1884.3 26.9,1137.5 29.7,1048.8 31.2,204.8 600.8,178.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0262/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[604.0,1156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10147950914983,29.973652181660363]}},{"type":"Feature","properties":{"resourceCoords":[604.0,193.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10305410620008,29.9747273756671]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0263/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p263","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0263/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0263","type":"ImageService3","width":1343,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"98.4,190.2 661.0,188.0 1225.0,184.2 1230.3,738.4 1249.2,1306.5 1221.8,1862.1 661.0,1861.0 91.1,1863.4 96.7,1300.0 91.4,1000.6 97.8,743.5 98.4,190.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0263/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[661.0,188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.108876,29.973208]}},{"type":"Feature","properties":{"resourceCoords":[661.0,1861.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.106114,29.971344]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0264/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p264","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0264/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0264","type":"ImageService3","width":1343,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.6,188.2 637.2,182.5 1198.8,180.5 1200.9,932.6 1198.3,1018.2 1204.8,1868.4 640.4,1877.5 71.0,1883.2 62.5,929.3 66.2,840.9 66.6,188.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0264/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[73.0,1879.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1040595643951,29.96864052393479]}},{"type":"Feature","properties":{"resourceCoords":[1202.0,1879.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10259901018131,29.9702457448672]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0265/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p265","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0265/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0265","type":"ImageService3","width":1342,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1238.7,1886.8 1236.6,1298.6 1246.5,752.9 1253.8,190.5 666.0,187.3 26.5,179.5 24.1,733.2 35.0,1301.0 1.0,1840.3 1.0,1855.8 583.0,1875.8 624.5,1877.8 1238.7,1886.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0265/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[35.0,1301.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.106273,29.972803]}},{"type":"Feature","properties":{"resourceCoords":[640.0,187.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1073687,29.9748982]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0266/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p266","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0266/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0266","type":"ImageService3","width":1339,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"590.4,196.7 1186.6,190.6 1174.0,205.4 1263.3,359.8 1278.7,1014.7 1199.5,1361.8 1264.7,1766.2 1188.1,1869.2 574.3,1858.3 12.2,1873.8 9.5,1290.2 18.7,748.8 25.3,190.8 590.4,196.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0266/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[591.0,1867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1030459613747,29.974753694109175]}},{"type":"Feature","properties":{"resourceCoords":[591.0,193.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10586143904399,29.976604066467917]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0267/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p267","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0267/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0267","type":"ImageService3","width":1339,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,1706.9 1.0,1749.6 547.7,1800.1 807.2,1813.5 1321.6,1856.5 1321.7,1218.2 1323.8,666.4 1316.8,373.2 1321.6,121.4 1126.5,123.3 795.1,85.6 795.0,43.5 160.4,140.4 79.0,390.2 95.3,999.1 27.9,1702.0 1.0,1706.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0267/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1298.0,683.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10777218527981,29.97110548435956]}},{"type":"Feature","properties":{"resourceCoords":[1298.0,130.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10870000361274,29.971739526818553]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0268__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p268 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.91"},{"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":"5356.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0268__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0268","type":"ImageService3","width":1339,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1269.2,1965.3 1265.0,1423.0 1264.8,869.9 1261.3,316.4 1283.0,315.9 1231.4,39.0 1107.4,114.4 799.5,68.5 689.6,342.9 705.1,751.8 622.1,883.2 498.1,962.9 180.7,999.4 70.3,1096.3 81.5,1723.9 1.0,1787.8 1.0,1807.2 188.9,1980.7 713.4,1974.0 1269.2,1965.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0268__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[159.0,1981.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.109596,29.972401]}},{"type":"Feature","properties":{"resourceCoords":[1265.0,1423.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1090645,29.9746328]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0268__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p268 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.93"},{"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":"2644.8"},{"label":"split_canvas_h","value":"3849.2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0268__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0268","type":"ImageService3","width":1339,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"567.5,285.9 366.9,97.9 349.2,111.7 103.8,39.1 39.3,89.5 37.2,751.6 1.0,756.9 1.0,800.1 338.1,840.2 537.1,839.2 537.2,286.1 567.5,285.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0268__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[537.1,286.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.109596,29.972401]}},{"type":"Feature","properties":{"resourceCoords":[537.1,839.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1086832,29.9717836]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0269/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p269","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0269/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0269","type":"ImageService3","width":1354,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"598.5,233.1 1255.0,230.0 1258.3,783.1 1250.5,1341.2 1253.8,1896.6 667.9,1904.8 30.4,1909.4 28.0,1361.3 29.7,802.4 28.1,242.9 598.5,233.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0269/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[642.0,1905.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1073687,29.9748982]}},{"type":"Feature","properties":{"resourceCoords":[1255.0,230.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1093363,29.9776614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0270/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p270","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0270/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0270","type":"ImageService3","width":1339,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"586.5,197.9 1179.0,189.4 1179.0,207.3 1168.0,218.7 1267.7,740.1 1255.5,1752.1 1181.6,1842.1 585.9,1857.8 21.1,1860.9 19.0,1308.4 28.1,753.2 26.0,202.9 586.5,197.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0270/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[601.0,1862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1058292261405,29.976616038478042]}},{"type":"Feature","properties":{"resourceCoords":[41.0,192.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.10933488462908,29.97769527269586]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0271/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"New Orleans, Louisiana | 1940 | sanborn03376_019 p271","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.71"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-24T15:32:34Z","modified":"2026-10-24T15:32:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0271/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0271","type":"ImageService3","width":1339,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"37.0,1526.8 50.9,1518.5 125.5,1070.2 375.6,648.1 366.9,523.5 406.2,436.2 338.4,344.1 518.5,376.1 770.7,266.9 931.1,309.7 1156.7,423.3 1262.7,635.7 1294.5,1183.4 1251.5,1433.2 1270.0,1629.8 1239.4,1661.8 1239.4,1652.9 942.9,1657.6 662.4,1660.5 335.5,1661.8 62.4,1666.3 37.0,1526.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194003:03376_03_1940-0271/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[69.0,1657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1108960994201,29.975964533709227]}},{"type":"Feature","properties":{"resourceCoords":[1266.0,536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.11149112702483,29.981937243331434]}}]}}]}