{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03401_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Shreveport, Louisiana | 1904 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"63"},{"label":"placed","value":"33"},{"label":"unplaced","value":"30"},{"label":"fit sources","value":"georef-snap 19, georef 11, snap:0 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"16 sheet(s) cut into 43 panels"},{"label":"unplaced pages","value":"p16__1 (tier 1, 32.50942,-93.74755 +/-257m); p16__2 (tier 1, 32.51238,-93.74627 +/-100m); p17__1 (tier 1, 32.50926,-93.75722 +/-100m); p17__3 (tier 1, 32.50856,-93.75685 +/-100m); p18__2 (tier 1, 32.50380,-93.75857 +/-107m); p19__1 (tier 1, 32.50165,-93.75447 +/-100m); p21__2 (tier 1, 32.50018,-93.75725 +/-100m); p22__1 (tier 1, 32.49691,-93.75615 +/-263m); p22__2 (tier 1, 32.49694,-93.75653 +/-100m); p22__3 (tier 1, 32.49663,-93.75659 +/-100m); p24__1 (tier 1, 32.49814,-93.74712 +/-196m); p26__1 (tier 1, 32.51043,-93.74134 +/-204m); p27__2 (tier 1, 32.50528,-93.74774 +/-260m); p31__1 (tier 1, 32.49567,-93.76249 +/-123m); p31__2 (tier 2, 32.49403,-93.76392 +/-292m); p31__3 (tier 1, 32.49474,-93.76142 +/-100m); p32 (tier 2, 32.49277,-93.76306 +/-100m); p33__2 (tier 1, 32.49871,-93.74336 +/-100m); p33__3 (tier 1, 32.49871,-93.74338 +/-100m); p33__4 (tier 1, 32.49777,-93.74473 +/-100m); p33__5 (tier 1, 32.49992,-93.74503 +/-205m); p34__1 (tier 1, 32.50932,-93.75756 +/-100m); p34__2 (tier 1, 32.50973,-93.75846 +/-120m); p35 (tier 3, 32.51661,-93.73704 +/-546m); p36__1 (tier 3, 32.51792,-93.74137 +/-546m); p36__2 (tier 3, 32.51792,-93.74137 +/-546m); p36__3 (tier 3, 32.51792,-93.74137 +/-546m); p37__1 (tier 1, 32.51744,-93.76011 +/-255m); p37__2 (tier 3, 32.52035,-93.74626 +/-1207m); p37__3 (tier 1, 32.51786,-93.75962 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p10","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"886.6,1811.2 662.8,1808.7 71.7,1807.8 82.0,1528.9 81.7,970.6 84.4,85.3 663.0,84.0 1248.4,79.5 1248.2,126.0 1571.2,155.2 1486.7,254.7 1558.3,512.5 1510.4,922.0 1348.5,1112.6 1510.5,1297.2 1508.7,1773.9 1319.4,1753.8 1174.9,1846.7 886.8,1840.9 886.6,1811.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[663.0,84.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.747613,32.515794]}},{"type":"Feature","properties":{"resourceCoords":[1245.0,1816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74411,32.514014]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.6,1912.0 81.3,1873.1 444.1,1886.7 931.2,1807.8 1248.8,1886.5 1442.9,1777.6 1506.6,1871.5 1570.6,1058.4 1572.8,1057.6 1583.8,340.1 1581.8,74.9 1502.8,75.7 1564.5,1.0 116.4,1.0 37.5,80.7 40.6,813.7 40.8,1665.4 24.6,1677.1 52.1,1912.0 75.6,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[75.0,1606.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75409570277901,32.503834056558766]}},{"type":"Feature","properties":{"resourceCoords":[1561.0,1051.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75234895295321,32.50642737332194]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"70.2,78.6 147.8,78.3 148.2,339.2 133.0,1045.0 130.8,1045.8 62.8,1845.2 86.5,1880.6 1230.8,1851.2 1331.6,1912.0 1367.4,1912.0 1512.2,1011.6 1516.3,367.6 1496.5,367.6 1158.8,204.9 1139.4,225.7 492.2,102.2 492.6,69.2 550.3,53.8 495.6,1.0 135.1,1.0 70.2,78.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[198.0,1041.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7522127014763,32.50651826941625]}},{"type":"Feature","properties":{"resourceCoords":[1511.0,359.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7509418235664,32.509135012913234]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"258.1,93.0 816.4,94.5 1380.3,94.0 1377.6,652.1 1409.8,652.0 1353.1,1185.4 1375.0,1184.7 1369.7,1861.2 1326.0,1807.7 961.9,1852.2 533.1,1720.6 129.8,1778.3 158.8,1700.4 102.2,1666.1 252.8,740.8 258.1,93.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[813.0,656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74914604886409,32.50899731126622]}},{"type":"Feature","properties":{"resourceCoords":[1367.0,656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74819540715146,32.50967930668589]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p14","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"251.6,1182.1 229.7,1182.8 285.1,646.7 252.8,646.8 254.1,85.9 814.0,83.0 1371.2,82.6 1398.4,82.3 1386.0,1203.2 1399.6,1203.2 1390.2,1744.3 1503.5,1743.6 1503.8,1841.1 1482.4,1777.7 822.1,1751.7 727.4,1830.5 443.7,1889.6 254.8,1869.9 248.2,1861.9 251.6,1182.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[814.0,1748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.745628,32.508794]}},{"type":"Feature","properties":{"resourceCoords":[814.0,83.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.748039,32.511197]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"226.0,1740.8 240.6,1198.3 226.9,1198.1 250.0,74.3 297.1,74.2 796.2,68.8 1388.0,74.1 1612.0,78.2 1612.0,92.2 1612.0,108.0 1549.6,106.4 1437.4,236.4 1578.8,434.0 1378.8,885.0 1507.8,1053.1 1503.0,1475.2 1366.4,1680.2 1365.7,1731.6 781.6,1746.8 786.9,1568.2 686.8,1567.6 656.2,1687.3 627.0,1727.3 581.4,1741.9 493.3,1741.6 226.0,1740.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1363.0,1202.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74350907493235,32.511672138520694]}},{"type":"Feature","properties":{"resourceCoords":[1363.0,76.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74515320651835,32.51327956626089]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0017__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p17 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4128.0"},{"label":"split_canvas_y","value":"2808.0"},{"label":"split_canvas_w","value":"2324.0"},{"label":"split_canvas_h","value":"4844.0"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0017__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1057.1,1530.8 1057.7,1886.0 1306.5,1890.3 1562.6,1883.0 1562.5,1839.5 1612.0,1820.1 1612.0,932.1 1561.5,881.3 1561.5,816.2 1106.5,717.1 1090.9,729.3 1077.3,739.9 1077.6,793.0 1055.8,1009.6 1057.1,1530.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0017__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1032.0,702.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.75485988760198,32.51072253553046]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,702.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.75402366998088,32.50987824273803]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.75609583662565,32.50839803135538]}},{"type":"Feature","properties":{"resourceCoords":[1032.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.75693205424675,32.509242324147806]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p18 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.98"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0018__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"67.9,1318.2 81.3,1391.0 82.3,1587.0 87.9,1824.0 580.0,1825.8 580.0,1825.0 1180.9,1812.2 1474.8,1809.5 1546.8,1806.0 1536.3,1065.9 1612.0,988.0 1612.0,182.2 1527.8,109.9 1533.7,1.0 1475.5,1.0 1388.5,106.2 937.1,114.8 808.1,122.2 599.3,377.4 458.1,555.7 397.6,624.0 353.3,631.3 346.1,641.3 345.5,642.0 331.1,662.0 331.1,662.0 169.5,662.0 159.5,663.7 169.0,859.6 56.2,1020.0 75.3,1213.8 1.0,1283.2 1.0,1334.4 67.9,1318.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1528.0,105.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.757702,32.507362]}},{"type":"Feature","properties":{"resourceCoords":[580.0,1825.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.756912,32.503766]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0019__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p19 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.93"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0019__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"127.5,1278.7 276.3,1275.0 424.4,1272.2 746.1,1631.7 744.4,1633.2 1083.8,1898.1 1098.2,1878.8 1512.3,1827.2 1603.6,1147.0 1580.1,1146.2 1550.0,911.0 1566.0,899.0 1556.6,45.0 1485.1,48.6 1193.2,51.6 596.4,65.0 107.7,64.5 113.8,315.1 127.5,1278.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[596.0,69.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75690702521564,32.50375966306181]}},{"type":"Feature","properties":{"resourceCoords":[1528.0,904.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75412779667668,32.503654718430695]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.80"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1443.2,69.5 1368.3,79.8 537.4,57.1 29.6,324.5 82.8,913.2 30.8,1751.0 1.0,1757.9 1.0,1758.1 159.8,1757.8 686.6,1756.0 905.5,1778.0 965.5,1777.5 1158.5,1777.0 1245.6,1776.5 1510.3,1778.8 1491.7,1163.5 1509.9,1163.5 1497.3,594.8 1471.0,595.2 1532.7,315.8 1520.6,315.6 1443.2,69.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.75901337295554,32.512008571303255]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.75628107006696,32.51395737985921]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.75355947167702,32.511205463785906]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.7562917745656,32.509256655229954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.4,1264.3 128.9,1214.7 144.8,1127.2 43.3,981.6 84.0,51.1 86.3,48.3 1096.4,25.3 1409.9,77.4 1414.6,73.0 1415.0,122.5 1481.4,105.8 1495.2,177.1 1497.8,369.0 1513.3,848.4 1534.0,1798.9 1612.0,1796.3 1612.0,1796.8 1612.0,1804.3 804.5,1912.0 435.5,1912.0 342.1,1837.4 213.2,1759.0 73.8,1650.1 38.9,1693.2 43.4,1264.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[597.0,1828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75761294016637,32.50028762942939]}},{"type":"Feature","properties":{"resourceCoords":[1513.0,1828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75600558207863,32.501379888457365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0021__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p21 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1582.5,1468.0 1545.6,1468.5 1596.7,842.4 1541.4,144.7 1122.2,167.2 1122.4,164.9 655.8,106.6 498.4,249.3 503.5,255.3 1.0,817.5 1.0,1082.3 68.5,1080.2 82.9,1553.2 79.7,1553.2 136.8,1808.8 137.9,1799.3 566.1,1800.2 877.2,1875.0 879.1,1912.0 909.1,1713.3 1582.5,1468.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[914.0,1555.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75502028191414,32.49901073305724]}},{"type":"Feature","properties":{"resourceCoords":[830.0,33.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75510577049046,32.50194116009144]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.9,1800.5 121.3,1664.8 214.0,1642.2 282.9,1419.9 280.9,1255.5 251.2,1155.8 108.2,1157.5 130.5,621.2 36.9,558.0 39.8,490.1 78.1,265.2 768.7,28.2 1210.0,29.6 1451.7,88.8 1485.0,538.2 1453.6,538.5 1556.5,996.3 1509.8,1212.5 1560.3,1862.3 1088.8,1882.1 774.5,1833.5 771.1,1653.5 288.1,1660.2 290.1,1811.5 122.9,1800.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1248.0,547.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7524317352645,32.498148938033175]}},{"type":"Feature","properties":{"resourceCoords":[78.0,61.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75503735497904,32.49909214073355]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0024__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p24 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.47"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3877.6"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0024__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"124.0,541.8 213.9,967.7 286.6,967.1 1495.7,880.9 1489.2,606.4 1555.1,433.2 1497.7,187.5 1439.6,151.2 712.7,48.0 138.1,89.7 128.8,87.3 155.9,541.9 124.0,541.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0024__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.75224762079849,32.49917159869799]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.74869943545791,32.499180267913296]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,969.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.74869330380803,32.4973698136527]}},{"type":"Feature","properties":{"resourceCoords":[0.0,969.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.7522414891486,32.4973611444374]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p25","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"137.7,64.6 137.7,79.2 347.1,103.3 468.0,103.2 468.0,85.0 1612.0,85.0 1573.2,105.8 1610.2,1322.8 1566.7,1862.0 255.0,1884.5 51.0,1819.0 35.8,470.9 57.4,84.7 137.7,64.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[468.0,1073.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.744499,32.496322]}},{"type":"Feature","properties":{"resourceCoords":[468.0,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.744498,32.498151]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0026__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p26 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5547.2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0026__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1020.2,158.8 439.6,177.6 443.7,1.0 343.9,1.0 314.5,119.2 285.8,159.2 240.5,173.9 152.9,174.2 1.0,174.7 1.0,274.9 91.9,547.8 89.8,835.6 207.8,1048.2 303.4,1045.5 554.0,1212.2 851.9,1213.5 1077.0,1377.1 1470.6,1375.8 1521.3,1316.2 1577.7,1074.5 1573.9,146.3 1274.2,59.3 1205.7,1.0 1090.8,1.0 1020.7,107.7 1020.2,158.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0026__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1004.0,671.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74201098840749,32.51015853562882]}},{"type":"Feature","properties":{"resourceCoords":[1543.0,671.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74108833015086,32.51082104320013]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0027__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p27 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.17"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3606.0"},{"label":"split_canvas_h","value":"4233.2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0027__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"769.4,64.9 771.1,1.0 534.5,1.0 453.2,66.9 330.6,67.7 179.1,88.3 1.0,91.5 1.0,148.9 25.9,180.3 28.1,1007.6 854.9,1041.3 888.7,813.6 837.6,549.9 840.9,549.9 839.5,64.6 769.4,64.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0027__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[751.6,550.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7571129,32.4990631]}},{"type":"Feature","properties":{"resourceCoords":[751.6,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75711,32.4999728]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0027__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p27 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.36"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4788.0"},{"label":"split_canvas_y","value":"6331.2"},{"label":"split_canvas_w","value":"1664.0"},{"label":"split_canvas_h","value":"1320.8"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0027__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1517.0,1596.0 1218.5,1630.0 1213.5,1910.5 1588.9,1908.0 1600.7,1662.2 1517.0,1596.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0027__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1197.0,1582.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.74992300825781,32.504224529978636]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1582.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.74922738171631,32.50475865055804]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.74872818335923,32.50428970094076]}},{"type":"Feature","properties":{"resourceCoords":[1197.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.74942380990073,32.50375558036136]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0028__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p28 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0028__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1157.3,1730.2 1154.9,1692.8 1183.9,1659.4 1187.0,1569.4 1182.3,1345.1 1180.7,1019.8 1274.2,933.0 1612.0,642.6 1612.0,415.4 1555.6,349.0 1391.0,165.0 1439.5,123.0 1198.8,1.0 1196.3,1.0 1179.2,30.8 481.1,19.3 483.1,56.2 216.4,113.4 215.7,1.0 208.0,1.0 207.0,27.5 35.8,99.7 25.2,1050.4 118.5,1135.8 105.7,1521.8 41.7,1600.7 64.1,1843.7 700.4,1876.9 785.6,1740.8 1014.4,1739.8 1027.8,1839.3 1034.5,1831.7 1157.3,1730.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0028__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1391.0,165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7584287,32.5080985]}},{"type":"Feature","properties":{"resourceCoords":[226.0,1103.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.761044,32.506337]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0028__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p28 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.03"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"5186.8"},{"label":"split_canvas_y","value":"3400.0"},{"label":"split_canvas_w","value":"1265.2"},{"label":"split_canvas_h","value":"4252.0"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0028__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1321.5,1278.0 1329.2,1278.2 1327.6,1390.2 1593.5,1339.3 1592.3,1302.8 1589.8,1302.8 1581.2,970.5 1340.1,959.4 1321.5,1278.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0028__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1296.7,850.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76114690976588,32.509235275388804]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,850.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76043416335845,32.50924559354783]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76039342283521,32.50721576827173]}},{"type":"Feature","properties":{"resourceCoords":[1296.7,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76110616924265,32.5072054501127]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0029__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p29 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.04"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0029__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1097.9,1032.6 936.1,966.3 872.8,938.3 550.4,933.0 557.0,627.6 562.0,400.3 551.0,357.5 533.5,329.4 524.1,317.9 530.9,63.7 426.1,20.8 31.7,53.2 43.8,1852.5 787.7,1891.8 1576.7,1812.8 1574.8,1044.5 1097.9,1032.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0029__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[565.0,1867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.76729101949175,32.49565000215979]}},{"type":"Feature","properties":{"resourceCoords":[64.0,1867.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7673190161368,32.496611767540436]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0029__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p29 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2264.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4188.0"},{"label":"split_canvas_h","value":"3610.0"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0029__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"623.6,896.9 1596.4,890.5 1536.9,609.7 1547.4,25.6 610.5,10.2 612.9,370.6 578.2,572.8 623.6,896.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0029__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1557.0,713.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7695630358479,32.49568806209378]}},{"type":"Feature","properties":{"resourceCoords":[1557.0,175.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.76955513346233,32.49669517630608]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"640.2,84.7 1027.1,127.8 1282.6,55.8 1466.7,105.6 1517.3,103.0 1522.9,256.8 1526.0,551.2 1531.2,733.8 1552.8,1799.6 998.7,1813.4 409.9,1828.2 164.7,1831.8 137.1,1235.7 154.7,1235.2 133.6,684.1 108.1,685.1 163.6,412.8 151.8,412.9 73.1,176.0 640.2,84.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[435.0,696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7550765,32.5133098]}},{"type":"Feature","properties":{"resourceCoords":[1530.0,696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7531245,32.5146383]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.60"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1069.5,1900.3 1582.3,1871.0 1578.0,44.5 1093.2,17.5 847.5,88.3 678.7,18.4 53.5,19.9 41.7,975.4 1.0,960.0 1.0,1215.0 9.7,1225.2 13.9,1231.4 28.0,1252.8 40.1,1295.3 41.0,1469.2 41.3,1522.7 42.2,1704.5 42.9,1828.2 360.0,1824.8 365.2,1824.7 429.4,1851.1 590.3,1912.0 1069.9,1912.0 1069.5,1900.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[571.0,970.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.76321517837255,32.49470405984991]}},{"type":"Feature","properties":{"resourceCoords":[1273.0,970.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.76321895054996,32.493356054815614]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0033__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p33 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.97"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4036.0"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0033__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"327.6,989.9 1462.2,990.1 1463.1,1008.0 1481.0,1008.0 1568.2,1003.6 1575.3,953.0 1575.3,490.5 1510.2,215.9 1546.3,35.2 43.1,42.8 36.1,960.5 1.0,969.3 1.0,984.2 207.7,1008.0 287.1,1008.0 327.6,1008.0 327.6,989.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0033__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[593.0,977.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74391064220858,32.498174973180596]}},{"type":"Feature","properties":{"resourceCoords":[593.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74391025329942,32.499942669915285]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0034__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p34 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1668.0"},{"label":"split_canvas_w","value":"2378.0"},{"label":"split_canvas_h","value":"5984.0"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0034__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"568.9,619.0 567.7,442.1 93.5,442.9 93.6,591.5 112.0,592.9 111.3,1807.7 490.2,1864.1 546.5,1744.8 540.1,614.2 568.9,619.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0034__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[92.9,1301.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75460923371327,32.49442052788034]}},{"type":"Feature","properties":{"resourceCoords":[557.5,1301.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75355014255162,32.49442103837626]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0034__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p34 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2378.0"},{"label":"split_canvas_y","value":"2524.0"},{"label":"split_canvas_w","value":"4074.0"},{"label":"split_canvas_h","value":"5128.0"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0034__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"633.6,1561.2 633.2,1650.5 594.5,1695.7 594.5,1719.0 630.4,1719.7 622.5,1828.8 715.9,1912.0 1595.0,1912.0 1595.0,1883.0 1610.2,1882.1 1605.7,1820.5 1561.9,1820.5 1556.9,1561.8 1563.5,1310.4 1612.0,1310.4 1587.1,1279.2 1591.0,819.3 1531.9,655.5 634.5,666.5 620.8,1004.6 594.5,1031.0 594.5,1044.1 594.5,1074.0 693.1,1312.3 628.5,1312.7 633.6,1561.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0034__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[640.5,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75768777437624,32.507399018909425]}},{"type":"Feature","properties":{"resourceCoords":[1566.0,1303.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75685543530302,32.50925155809921]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1233.1,38.3 1391.5,44.3 1362.4,673.8 1373.9,673.7 1369.4,1240.2 1372.8,1803.0 809.0,1807.0 246.9,1805.5 248.3,714.7 247.1,527.8 250.5,226.5 248.1,69.0 1233.1,38.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[248.0,676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7531245,32.5146383]}},{"type":"Feature","properties":{"resourceCoords":[809.0,1807.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.750532,32.513689]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1335.2,72.2 1389.1,64.8 1385.4,632.8 1375.7,1216.9 1368.3,1776.8 791.9,1774.3 220.7,1772.9 222.9,1212.2 233.1,647.8 221.6,647.8 256.8,20.9 1335.2,72.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1369.0,1217.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74843224007029,32.516598691355796]}},{"type":"Feature","properties":{"resourceCoords":[240.0,1784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74952382655678,32.51438898254913]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p6","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.59"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"580.8,35.5 943.9,215.8 1199.6,110.8 1268.8,110.8 1270.0,80.9 1244.3,47.5 1582.9,170.0 1584.5,1380.6 1510.0,1760.2 1426.0,1707.1 1261.8,1834.7 997.4,1830.8 966.7,1866.9 649.3,1837.7 649.6,1791.8 74.3,1795.3 79.0,1243.0 86.0,666.6 87.0,106.2 580.8,35.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[652.0,1243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.747428,32.517321]}},{"type":"Feature","properties":{"resourceCoords":[79.0,1243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.748421,32.516607]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p7","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.97"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"683.3,1649.9 1030.8,1812.2 1051.0,1812.0 1612.0,1805.8 1612.0,1604.2 1612.0,1082.7 1610.8,956.3 1601.0,53.8 991.9,61.7 473.1,62.8 385.8,64.2 215.8,66.6 111.2,558.8 45.4,559.5 1.0,604.4 1.0,1448.0 58.9,1502.5 1.0,1518.7 1.0,1552.9 663.7,1671.3 683.3,1649.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1051.0,1246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7517192,32.5099435]}},{"type":"Feature","properties":{"resourceCoords":[1051.0,1812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.75092,32.509129]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p8","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"231.9,1107.8 232.7,980.0 237.2,79.6 809.1,81.4 1375.9,86.5 1372.8,671.9 1368.0,1262.8 1365.0,1828.0 799.5,1828.2 227.2,1827.5 221.5,1827.5 220.5,1827.5 231.9,1107.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[806.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.750651,32.512164]}},{"type":"Feature","properties":{"resourceCoords":[1365.0,1828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.748039,32.511197]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1904 | sanborn03401_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.99"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T02:14:11Z","modified":"2026-10-19T02:14:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"781.8,90.6 1358.2,81.2 1366.5,971.2 1373.9,1532.4 1367.0,1812.8 866.1,1828.3 791.5,1829.9 230.5,1836.1 224.9,1272.6 220.8,683.4 215.0,99.7 781.8,90.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g034011904:03401_1904-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[786.0,1267.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74789487794851,32.512685197123396]}},{"type":"Feature","properties":{"resourceCoords":[786.0,86.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.74957239502123,32.514392727580585]}}]}}]}