{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03376_017.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"New Orleans, Louisiana | 1940 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"101"},{"label":"placed","value":"60"},{"label":"unplaced","value":"41"},{"label":"fit sources","value":"georef 60, georef-snap 28, snap:0 1, georef:contradicted 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"10 sheet(s) cut into 20 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 29.95064,-90.06793 +/-1568m); p21__1 (tier 3, 29.95767,-90.06599 +/-416m); p30s__2 (tier 3, 29.96025,-90.06222 +/-416m); p43__1 (tier 1, 29.94215,-90.07020 +/-100m); p50__2 (tier 1, 29.94092,-90.06596 +/-100m); p53__2 (tier 1, 29.95865,-90.06013 +/-224m); p53s__1 (tier 1, 29.95692,-90.06248 +/-211m); p54__1 (tier 1, 29.94387,-90.06581 +/-216m); p54__2 (tier 1, 29.94414,-90.06838 +/-223m); p54s__1 (tier 1, 29.94348,-90.06716 +/-213m); p54s__2 (tier 1, 29.94321,-90.06524 +/-218m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0001/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_017 p1","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0001","type":"ImageService3","width":1361,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"268.7,0.0 1078.5,7.4 1077.3,849.1 1077.9,851.6 1076.0,1787.0 271.3,1787.8 268.7,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[272.0,263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0760493,29.9469191]}},{"type":"Feature","properties":{"resourceCoords":[1076.0,1787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0725031,29.9476356]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0010/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_017 p10","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0010","type":"ImageService3","width":1355,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"37.6,1911.5 39.2,99.6 1236.6,97.0 1252.0,1904.8 37.6,1911.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[266.0,1913.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0686537,29.9471953]}},{"type":"Feature","properties":{"resourceCoords":[1241.0,705.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0706129,29.9494941]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0011/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_017 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0011","type":"ImageService3","width":1350,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.1,1627.5 36.9,415.5 1265.5,407.2 1066.1,1624.8 56.1,1627.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07272696118378,29.949901628705103]}},{"type":"Feature","properties":{"resourceCoords":[1350.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07199171210512,29.95228817237518]}},{"type":"Feature","properties":{"resourceCoords":[1350.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06786276295621,29.951319660025714]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06859801203487,29.948933116355636]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0012/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_017 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0012","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"337.8,1721.5 62.7,526.1 482.4,380.9 1148.2,377.6 1148.8,1452.1 643.1,1589.0 337.8,1721.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07217590492027,29.952440574330197]}},{"type":"Feature","properties":{"resourceCoords":[1351.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07044805663455,29.954419068904294]}},{"type":"Feature","properties":{"resourceCoords":[1351.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06702754412211,29.952144773111886]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06875539240784,29.95016627853779]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0013/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_017 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0013","type":"ImageService3","width":1348,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"115.3,2038.0 -0.0,2038.0 22.7,507.1 1212.9,507.8 1216.4,1577.5 113.5,1574.0 115.3,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07178782416213,29.954903211875056]}},{"type":"Feature","properties":{"resourceCoords":[1348.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07002773308791,29.95687373306422]}},{"type":"Feature","properties":{"resourceCoords":[1348.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06661334348381,29.954551895948757]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06837343455803,29.952581374759593]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0014/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_017 p14","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0014","type":"ImageService3","width":1331,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1159.0,1567.0 105.7,1567.0 106.2,497.0 1159.0,497.0 1159.0,1567.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1159.0,1567.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0661788,29.9564171]}},{"type":"Feature","properties":{"resourceCoords":[1159.0,497.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0679761,29.9576299]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0015/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_017 p15","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0015","type":"ImageService3","width":1353,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"246.3,1869.9 252.4,1075.6 261.3,225.4 1072.4,218.1 1064.4,1648.8 246.3,1869.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1068.0,1287.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0666095,29.9462969]}},{"type":"Feature","properties":{"resourceCoords":[659.0,225.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.068982,29.946058]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0016/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_017 p16","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0016","type":"ImageService3","width":1346,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1245.8,1436.5 14.9,1790.1 7.8,356.9 1238.8,341.8 1245.8,1436.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[605.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0672659,29.9475596]}},{"type":"Feature","properties":{"resourceCoords":[605.0,353.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0684627,29.9478383]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0017/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_017 p17","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0017","type":"ImageService3","width":1358,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"171.4,1863.6 195.9,176.0 1198.0,196.7 1098.2,750.2 849.4,1686.7 171.4,1863.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[576.0,788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0679432,29.949643]}},{"type":"Feature","properties":{"resourceCoords":[475.0,1785.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0659316,29.9490288]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0018/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_017 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0018","type":"ImageService3","width":1358,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"385.5,192.5 761.8,186.4 1243.5,253.4 769.5,1512.6 69.8,1711.1 298.1,756.0 385.5,192.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06945217867236,29.95042301082672]}},{"type":"Feature","properties":{"resourceCoords":[1358.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06872132903267,29.952823952155512]}},{"type":"Feature","properties":{"resourceCoords":[1358.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06459191690462,29.951866911967326]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06532276654431,29.949465970638535]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0019/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_017 p19","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0019","type":"ImageService3","width":1357,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2038.0 -0.0,925.1 99.2,925.5 102.5,456.7 1218.6,463.6 1211.0,1601.0 94.5,1596.5 90.9,2038.0 -0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[675.0,996.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0673657,29.9535044]}},{"type":"Feature","properties":{"resourceCoords":[1211.0,1601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0656659,29.9536069]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0002/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_017 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0002","type":"ImageService3","width":1361,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"25.0,1794.8 15.2,0.0 1248.3,0.0 1225.6,246.9 1303.6,245.4 1310.2,585.9 1229.5,586.7 1239.0,1783.0 25.0,1794.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[573.0,252.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0753256,29.9493252]}},{"type":"Feature","properties":{"resourceCoords":[1239.0,1783.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0718651,29.9497693]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0020/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_017 p20","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0020","type":"ImageService3","width":1356,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1187.2,1625.2 103.0,1605.5 103.0,463.0 1171.6,462.4 1187.2,1625.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[103.0,736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0671049,29.954579]}},{"type":"Feature","properties":{"resourceCoords":[103.0,1002.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0666647,29.9542816]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0021__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_017 p21 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5420.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0021__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0021","type":"ImageService3","width":1355,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"141.0,489.0 144.2,1558.6 1225.5,1545.6 1226.0,485.8 141.0,489.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[689.0,1557.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0654657,29.9572103]}},{"type":"Feature","properties":{"resourceCoords":[141.0,489.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0679761,29.9576299]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0021s/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_017 p21s","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0021s/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0021s","type":"ImageService3","width":1347,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2038.0 0.0,0.0 1347.0,0.0 1347.0,2038.0 0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0021s/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[650.0,1561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0654657,29.9572103]}},{"type":"Feature","properties":{"resourceCoords":[101.0,493.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0679761,29.9576299]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0022/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_017 p22","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0022","type":"ImageService3","width":1347,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.8,452.9 1180.9,456.2 1179.0,998.0 1081.5,998.1 1068.1,1788.9 1347.0,1793.6 1347.0,2038.0 867.2,2038.0 877.9,1625.5 90.7,1609.0 89.8,452.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[633.0,998.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0645689,29.9566052]}},{"type":"Feature","properties":{"resourceCoords":[1179.0,998.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0638717,29.9574004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0023/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_017 p23","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0023","type":"ImageService3","width":1361,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1084.0,371.9 1054.4,1853.0 1361.0,1854.7 1361.0,2038.0 0.0,2038.0 0.0,1921.3 211.1,1869.1 268.0,560.3 1084.0,371.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1084.0,372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0658753,29.9461263]}},{"type":"Feature","properties":{"resourceCoords":[268.0,560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0658541,29.9445852]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0024/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_017 p24","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0024","type":"ImageService3","width":1352,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1256.7,249.6 1248.7,1277.2 1352.0,1323.8 1352.0,2038.0 0.0,2038.0 21.7,548.6 1256.7,249.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06701631821825,29.946307036578126]}},{"type":"Feature","properties":{"resourceCoords":[1352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06639200271306,29.948721228885493]}},{"type":"Feature","properties":{"resourceCoords":[1352.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0621907352427,29.947906054307293]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06281505074789,29.945491861999926]}},{"type":"Feature","properties":{"resourceCoords":[617.0,673.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0653441,29.9471396]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0025/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_017 p25","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0025","type":"ImageService3","width":1348,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1173.7,220.7 1149.7,1244.0 1348.0,1104.5 1348.0,1378.1 1348.0,1378.1 1348.0,2038.0 457.9,2038.0 43.7,1098.8 1173.7,220.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[600.0,666.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0659476,29.9497429]}},{"type":"Feature","properties":{"resourceCoords":[44.0,1099.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0659214,29.9484512]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0026/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_017 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0026","type":"ImageService3","width":1338,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,740.9 63.9,740.6 62.4,306.8 1157.7,306.1 1159.3,625.7 1008.5,668.1 1001.1,1545.5 1338.0,1550.7 1338.0,2038.0 447.6,2038.0 447.6,2038.0 195.2,2038.0 191.9,1897.2 -0.0,2038.0 -0.0,740.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06770746525481,29.952256150757545]}},{"type":"Feature","properties":{"resourceCoords":[1338.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06594429911836,29.95422399223136]}},{"type":"Feature","properties":{"resourceCoords":[1338.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06250915967703,29.951880653303462]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06427232581349,29.94991281182965]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0027/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_017 p27","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0027","type":"ImageService3","width":1348,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"84.3,198.8 257.6,198.3 257.6,130.4 84.3,131.9 89.0,0.0 1196.4,0.0 1176.4,1859.4 94.2,1862.0 84.3,198.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[706.0,1312.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0657717,29.9600819]}},{"type":"Feature","properties":{"resourceCoords":[385.0,1312.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0661833,29.9596241]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0028/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_017 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0028","type":"ImageService3","width":1344,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1344.0,0.0 1344.0,46.6 1171.2,45.0 1172.2,131.8 908.6,135.0 908.5,204.4 1172.1,202.6 1170.3,1850.8 -0.0,1860.7 -0.0,17.3 1344.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06733105197569,29.962258442767226]}},{"type":"Feature","properties":{"resourceCoords":[1344.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06558106324326,29.96418911677821]}},{"type":"Feature","properties":{"resourceCoords":[1344.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06222551458535,29.961873906274597]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06397550331778,29.959943232263612]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0029/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_017 p29","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0029","type":"ImageService3","width":1344,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"97.7,1243.0 91.4,172.4 1235.9,164.1 1240.2,1866.2 1344.0,1864.9 1344.0,2038.0 -0.0,2038.0 -0.0,1244.6 97.7,1243.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[381.0,171.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0652762,29.9590151]}},{"type":"Feature","properties":{"resourceCoords":[1240.0,704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0632766,29.9596451]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0003/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_017 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0003","type":"ImageService3","width":1362,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"180.4,250.2 103.2,250.6 128.9,0.0 876.2,28.9 970.1,1784.0 100.5,1781.4 103.5,589.2 183.4,589.5 180.4,250.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07554411047681,29.950402457550354]}},{"type":"Feature","properties":{"resourceCoords":[1362.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07483283727254,29.952821864226657]}},{"type":"Feature","properties":{"resourceCoords":[1362.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0706838894623,29.951893194058304]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07139516266658,29.949473787382]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0030/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_017 p30","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0030","type":"ImageService3","width":1345,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.5,1869.8 75.0,174.1 1171.6,170.0 1149.3,1862.7 69.5,1869.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[628.0,1254.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0616569,29.9598338]}},{"type":"Feature","properties":{"resourceCoords":[76.0,712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0632766,29.9596451]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0030s__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_017 p30s [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5352.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0030s__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0030s","type":"ImageService3","width":1338,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 0.0,205.0 0.0,1800.1 0.0,2038.0 175.7,1843.8 589.7,2038.0 693.5,2038.0 1056.0,2038.0 1338.0,2038.0 1338.0,0.0 503.2,0.0 331.9,0.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0030s__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[651.0,719.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0625594,29.960443]}},{"type":"Feature","properties":{"resourceCoords":[100.0,183.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.064175,29.960248]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0031__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_017 p31 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3390.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0031__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0031","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.8,1678.8 311.4,1687.9 204.4,2038.0 847.5,2038.0 833.6,0.0 791.0,-0.0 765.9,117.8 290.2,94.1 200.4,-0.0 195.5,164.6 75.8,160.6 41.8,1678.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0031__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[290.8,1128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0588891,29.9604181]}},{"type":"Feature","properties":{"resourceCoords":[776.5,172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0569335,29.9612557]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0031__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_017 p31 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"3334.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2069.6"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0031__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0031","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"969.4,196.4 967.6,1210.6 1146.6,1213.1 1135.0,2038.0 1351.0,2038.0 1351.0,551.5 1135.9,553.9 1239.0,202.6 969.4,196.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0031__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[967.5,1318.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.061354,29.958335]}},{"type":"Feature","properties":{"resourceCoords":[967.5,1578.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0616751,29.957971]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0032__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_017 p32 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5380.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0032__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0032","type":"ImageService3","width":1345,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"396.6,1883.2 442.7,2038.0 870.0,2038.0 1345.0,2038.0 1345.0,1386.3 909.4,1392.3 820.8,1232.8 801.3,955.9 798.7,0.0 798.6,0.0 250.0,0.0 229.0,0.0 148.3,0.0 69.4,-0.0 68.0,1887.5 396.6,1883.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0032__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[236.0,1344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0646828,29.9541833]}},{"type":"Feature","properties":{"resourceCoords":[73.0,249.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0635204,29.9559125]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0032__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_017 p32 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3194.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2185.6"},{"label":"split_canvas_h","value":"5569.2"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0032__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0032","type":"ImageService3","width":1345,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"798.7,0.0 801.3,955.9 820.8,1232.8 909.4,1392.3 1345.0,1386.3 1345.0,0.0 798.7,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0032__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[957.4,721.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0627938,29.9567105]}},{"type":"Feature","properties":{"resourceCoords":[957.4,1243.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0635204,29.9559125]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0033/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_017 p33","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0033","type":"ImageService3","width":1345,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1241.0,1776.8 154.9,1778.3 159.2,2038.0 91.0,2038.0 85.4,1778.4 -0.0,1779.5 -0.0,0.0 1345.0,-0.0 1345.0,30.8 1208.4,31.8 1241.0,1776.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[693.0,1253.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0638699,29.963849]}},{"type":"Feature","properties":{"resourceCoords":[1233.0,1253.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0629677,29.9632233]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0034/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_017 p34","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0034","type":"ImageService3","width":1334,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1172.3,1792.8 76.1,1786.1 56.3,-0.0 1334.0,-0.0 1334.0,39.6 1162.2,39.0 1163.2,230.8 1334.0,231.5 1334.0,315.6 1163.7,315.6 1172.3,1792.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[72.0,1250.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0629677,29.9632233]}},{"type":"Feature","properties":{"resourceCoords":[1166.0,711.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0604734,29.9627633]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0035/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_017 p35","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0035","type":"ImageService3","width":1344,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"80.2,1748.5 66.2,275.8 236.0,275.1 235.7,191.3 65.5,191.2 63.7,-0.0 1253.8,-0.0 1344.0,100.0 1344.0,279.5 1227.8,279.0 1238.5,1752.0 80.2,1748.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1235.0,670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0585601,29.9614467]}},{"type":"Feature","properties":{"resourceCoords":[70.0,670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0604734,29.9627633]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0036/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_017 p36","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0036","type":"ImageService3","width":1342,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"409.3,0.0 773.0,0.0 1110.1,0.0 1342.0,0.0 1342.0,98.0 1141.7,96.7 1132.6,1873.0 0.0,1865.9 182.6,1243.1 269.2,1268.2 258.4,1161.3 628.3,203.1 642.0,108.6 605.1,106.0 626.5,90.1 640.9,79.2 662.2,63.0 409.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[267.0,1873.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0733877,29.944664]}},{"type":"Feature","properties":{"resourceCoords":[1136.0,1271.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0741715,29.9464902]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0037/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_017 p37","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0037","type":"ImageService3","width":1334,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2038.0 -0.0,-0.0 1334.0,0.0 1334.0,403.5 1151.8,410.1 1146.9,893.9 819.4,893.4 819.0,936.5 1146.5,937.4 1139.8,1613.3 30.5,1614.3 29.1,2038.0 -0.0,2038.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[601.0,414.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.079033,29.943062]}},{"type":"Feature","properties":{"resourceCoords":[147.0,1615.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0774149,29.9411788]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0038/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_017 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0038","type":"ImageService3","width":1339,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,328.7 1119.7,331.1 1110.3,1705.6 -0.0,1677.7 -0.0,328.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07812880721985,29.941324283434714]}},{"type":"Feature","properties":{"resourceCoords":[1339.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07661519181607,29.943387210540177]}},{"type":"Feature","properties":{"resourceCoords":[1339.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07301714499434,29.94137682285258]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07453076039812,29.939313895747116]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0039/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_017 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0039","type":"ImageService3","width":1342,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"543.3,1710.1 57.5,1710.3 50.1,1527.9 -0.0,1528.4 -0.0,289.1 38.6,315.4 29.3,279.4 124.4,261.6 1162.9,301.3 1262.0,256.1 1265.8,346.9 1061.0,347.0 933.3,382.5 1264.4,398.4 1265.8,1709.8 587.0,1710.0 587.4,2038.0 544.2,2038.0 543.3,1710.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0039/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07655909970309,29.94659546146903]}},{"type":"Feature","properties":{"resourceCoords":[1342.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07419961369233,29.945256570653807]}},{"type":"Feature","properties":{"resourceCoords":[1342.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07652968521295,29.942129795552074]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07888917122371,29.943468686367297]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0004/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_017 p4","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0004","type":"ImageService3","width":1373,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1373.0,0.0 1373.0,202.3 1274.0,371.0 819.3,1866.1 0.0,1791.0 0.0,225.5 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[131.0,1174.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0726001,29.9517601]}},{"type":"Feature","properties":{"resourceCoords":[46.0,1794.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0713819,29.9513922]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0040/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_017 p40","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0040","type":"ImageService3","width":1346,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,345.5 1294.8,344.5 1310.7,15.4 1346.0,142.3 1346.0,1904.5 1210.6,1909.5 1107.1,1856.9 1041.8,1760.3 1032.9,1610.1 959.0,1685.2 -0.0,1711.2 -0.0,345.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07688995511683,29.943069450719005]}},{"type":"Feature","properties":{"resourceCoords":[1346.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07534223795595,29.945147389621777]}},{"type":"Feature","properties":{"resourceCoords":[1346.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07173679325487,29.94310243454186]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07328451041575,29.941024495639088]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0041/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_017 p41","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0041/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0041","type":"ImageService3","width":1340,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,236.9 507.4,206.2 799.2,86.0 771.3,380.6 861.9,339.6 915.8,406.9 1340.0,1737.2 1340.0,2038.0 -0.0,2038.0 -0.0,236.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0041/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07293048332394,29.94259421326784]}},{"type":"Feature","properties":{"resourceCoords":[1340.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07056212290479,29.9412405446972]}},{"type":"Feature","properties":{"resourceCoords":[1340.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07292133292945,29.938097197903957]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07528969334861,29.939450866474594]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0042/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_017 p42","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0042/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0042","type":"ImageService3","width":1337,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1059.2,0.0 1062.8,352.7 1337.0,462.2 1337.0,925.7 1200.8,878.5 1198.0,2038.0 -0.0,2038.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0042/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07162715703082,29.941790644833315]}},{"type":"Feature","properties":{"resourceCoords":[1337.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06892087480007,29.94118696108012]}},{"type":"Feature","properties":{"resourceCoords":[1337.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06997534516799,29.93758703371008]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07268162739874,29.938190717463275]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0043__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_017 p43 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5376.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0043__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0043","type":"ImageService3","width":1344,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"392.9,840.6 401.2,1770.5 402.6,1770.5 458.5,1771.5 458.5,1749.6 469.5,1745.5 577.8,1709.0 580.1,1773.0 580.1,1773.8 582.9,1851.5 582.5,1868.2 1091.7,1874.5 1090.0,853.0 1344.0,850.0 1344.0,0.0 1244.8,0.0 1089.4,487.4 934.5,423.8 779.7,247.6 414.4,134.9 301.9,555.5 322.5,841.5 392.9,840.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0043__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[221.0,1458.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.070435,29.941182]}},{"type":"Feature","properties":{"resourceCoords":[221.0,-21.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.073521,29.9418958]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0043s/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_017 p43s","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0043s/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0043s","type":"ImageService3","width":1334,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"364.9,16.3 840.9,77.9 816.4,263.8 813.9,283.1 265.8,864.3 0.0,878.9 0.0,754.0 364.9,16.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0043s/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07349225329597,29.94162550349343]}},{"type":"Feature","properties":{"resourceCoords":[1334.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07272572263909,29.943944834480373]}},{"type":"Feature","properties":{"resourceCoords":[1334.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06866527178816,29.94292291965112]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06943180244504,29.940603588664178]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0044/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_017 p44","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0044","type":"ImageService3","width":1331,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1219.6,1468.7 355.2,1462.6 354.5,1563.5 0.7,1429.5 4.8,264.9 1214.0,267.1 1219.6,1468.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0044/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07280119933333,29.946683830400165]}},{"type":"Feature","properties":{"resourceCoords":[1331.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07006589884506,29.946068978101444]}},{"type":"Feature","properties":{"resourceCoords":[1331.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07115243859013,29.942440015644916]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0738877390784,29.943054867943637]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0045/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_017 p45","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0045","type":"ImageService3","width":1339,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"64.4,130.4 1133.4,560.7 1039.4,668.1 1339.0,787.9 1339.0,977.2 861.6,1802.9 0.0,1788.2 0.0,-0.0 117.0,0.0 64.4,130.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0045/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[554.0,1020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0685274,29.9387546]}},{"type":"Feature","properties":{"resourceCoords":[1126.0,1799.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0670514,29.9399818]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0046/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_017 p46","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0046","type":"ImageService3","width":1336,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1336.0,1724.0 531.9,1607.7 -0.0,1402.8 24.8,336.9 853.4,341.2 1336.0,1544.1 1336.0,1724.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0046/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06896486595991,29.943159178043235]}},{"type":"Feature","properties":{"resourceCoords":[1336.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06626775088658,29.94258281261923]}},{"type":"Feature","properties":{"resourceCoords":[1336.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06727527111137,29.938992443779295]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0699723861847,29.9395688092033]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0047/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_017 p47","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0047","type":"ImageService3","width":1331,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"939.0,178.0 939.8,1573.5 354.6,1737.5 341.6,179.9 939.0,178.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0047/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[939.0,1205.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0687755,29.9436171]}},{"type":"Feature","properties":{"resourceCoords":[939.0,178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0708922,29.9441047]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0048/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_017 p48","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0048/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0048","type":"ImageService3","width":1335,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"168.3,244.1 1034.9,229.9 1038.7,1697.6 175.8,1878.0 168.3,244.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0048/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07147973058332,29.94392251235198]}},{"type":"Feature","properties":{"resourceCoords":[1335.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0707522098792,29.94628869968609]}},{"type":"Feature","properties":{"resourceCoords":[1335.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06661273215984,29.945319541293227]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06734025286396,29.942953353959116]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0049/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_017 p49","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0049/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0049","type":"ImageService3","width":1343,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"979.0,52.7 1136.0,111.5 1274.8,111.5 1252.4,1348.9 1343.0,1350.8 1343.0,2038.0 0.0,2038.0 -0.0,-0.0 80.0,0.0 63.6,111.0 950.4,111.4 979.0,52.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0049/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06698789963582,29.937758536672344]}},{"type":"Feature","properties":{"resourceCoords":[1343.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0673188869905,29.94019740757325]}},{"type":"Feature","properties":{"resourceCoords":[1343.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06307789733806,29.94063572560286]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06274690998337,29.938196854701953]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0005/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_017 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0005","type":"ImageService3","width":1373,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"450.9,1857.8 195.6,341.4 208.7,149.6 134.5,0.0 1153.4,0.0 1122.0,1850.7 450.9,1857.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07457371891783,29.954145699403846]}},{"type":"Feature","properties":{"resourceCoords":[1373.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07281589562733,29.95612971988504]}},{"type":"Feature","properties":{"resourceCoords":[1373.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06944073340578,29.953853081787717]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07119855669629,29.95186906130652]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0050__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_017 p50 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5360.0"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0050__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0050","type":"ImageService3","width":1340,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1309.6,0.0 0.0,30.0 0.0,357.2 0.0,1074.5 175.9,1074.5 257.0,1074.5 247.0,1446.6 103.6,1441.4 114.5,2038.0 272.3,2038.0 432.0,2038.0 475.6,1441.4 772.7,1468.6 1007.3,827.0 1284.8,847.7 1169.0,1152.5 1295.7,1163.6 1340.0,754.8 1309.6,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0050__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[654.0,1123.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.06518,29.9413159]}},{"type":"Feature","properties":{"resourceCoords":[928.0,822.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0657857,29.9417045]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0050s/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_017 p50s","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0050s/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0050s","type":"ImageService3","width":1340,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"919.9,855.4 1228.1,1171.5 1113.8,1451.7 436.7,1373.4 427.7,803.0 919.9,855.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0050s/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[920.0,855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0657857,29.9417045]}},{"type":"Feature","properties":{"resourceCoords":[71.0,133.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0670514,29.9399818]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0051/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_017 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0051","type":"ImageService3","width":1339,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"971.9,1600.2 302.9,1685.5 282.5,1679.9 -0.0,1603.7 -0.0,982.3 214.6,1042.0 276.9,149.3 954.0,337.9 971.9,1600.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0051/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0680434732111,29.94521922246138]}},{"type":"Feature","properties":{"resourceCoords":[1339.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06526995383983,29.945252315014592]}},{"type":"Feature","properties":{"resourceCoords":[1339.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06521223441165,29.941568594567837]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06798575378292,29.941535502014624]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0052/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_017 p52","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0052","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1351.0,489.5 1351.0,2038.0 650.6,2038.0 655.4,1778.4 -0.0,1596.8 -0.0,92.1 1351.0,489.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0052/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[364.0,1092.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0652255,29.9428089]}},{"type":"Feature","properties":{"resourceCoords":[84.0,1685.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0657857,29.9417045]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0053__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_017 p53 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2806.8"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0053__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0053","type":"ImageService3","width":1351,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"414.9,187.7 474.2,1096.8 283.2,1109.3 319.1,1772.6 222.7,1777.8 227.6,1901.2 236.6,1900.7 457.8,1723.2 490.4,1763.8 489.0,955.8 701.7,353.1 699.9,0.0 0.0,0.0 -0.0,155.8 82.2,152.9 169.0,245.9 381.9,242.7 389.7,189.3 414.9,187.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0053__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[332.9,470.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0577268,29.9607875]}},{"type":"Feature","properties":{"resourceCoords":[387.8,266.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0569335,29.9612557]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0053s__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_017 p53s [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"1807.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3616.4"},{"label":"split_canvas_h","value":"8152.0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0053s__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0053s","type":"ImageService3","width":1356,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"738.9,1871.4 975.6,2038.0 1356.0,2038.0 1356.0,0.0 1045.0,0.0 1138.2,66.5 996.6,265.4 1341.1,524.8 830.2,1204.6 1032.8,1354.4 761.4,1727.3 741.1,1600.7 658.9,1567.5 684.5,1833.0 738.9,1871.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0053s__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[620.7,1163.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0641926,29.9526117]}},{"type":"Feature","properties":{"resourceCoords":[712.6,894.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0637785,29.9535709]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0006/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_017 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0006","type":"ImageService3","width":1361,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1361.0,0.0 1361.0,28.7 1196.9,27.1 1198.1,447.6 1361.0,450.6 1361.0,518.7 1197.6,516.8 1188.8,1599.5 -0.0,1585.5 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07359111295855,29.95614062123808]}},{"type":"Feature","properties":{"resourceCoords":[1361.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0718378963687,29.95814981467099]}},{"type":"Feature","properties":{"resourceCoords":[1361.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0683897071177,29.955859166777927]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07014292370755,29.95384997334502]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0007/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_017 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0007","type":"ImageService3","width":1361,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"139.5,425.1 134.0,0.0 1198.2,0.6 1193.4,130.3 1098.7,130.1 1099.6,496.1 1199.8,496.2 1202.6,1594.0 141.8,1589.4 139.7,495.0 304.9,495.2 304.1,426.4 139.5,425.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.07217647295974,29.957682994408536]}},{"type":"Feature","properties":{"resourceCoords":[1361.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.0704190202972,29.959655326917726]}},{"type":"Feature","properties":{"resourceCoords":[1361.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06703404113048,29.957359178915034]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2038.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.06879149379303,29.955386846405844]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0008/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_017 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0008","type":"ImageService3","width":1352,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"94.5,143.2 99.6,14.1 1352.0,0.0 1352.0,308.4 1186.0,308.4 1181.3,438.4 1352.0,436.9 1352.0,503.8 1181.3,504.3 1191.1,1601.0 100.0,1601.0 100.0,507.7 -0.0,508.0 -0.0,143.4 94.5,143.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[648.0,1601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0672629,29.9584232]}},{"type":"Feature","properties":{"resourceCoords":[100.0,1601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0679761,29.9576299]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0009/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_017 p9","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T17:15:46Z","modified":"2026-09-21T17:15:46Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0009","type":"ImageService3","width":1349,"height":2038},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1058.1,1911.3 260.0,1921.0 263.2,106.7 1060.3,106.7 1058.1,1911.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014nm:g03376194001A:03376_01A_1940-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[260.0,713.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0716828,29.9459212]}},{"type":"Feature","properties":{"resourceCoords":[260.0,1921.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.0691894,29.9453574]}}]}}]}