{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03401_012.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Shreveport, Louisiana | 1961 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"59"},{"label":"placed","value":"39"},{"label":"unplaced","value":"20"},{"label":"fit sources","value":"georef 26, georef-snap 12, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"8 sheet(s) cut into 18 panels"},{"label":"unplaced pages","value":"p0 (tier 3, 32.49564,-93.77783 +/-2196m); p301__2 (tier 2, 32.51447,-93.77099 +/-224m); p302__2 (tier 1, 32.51511,-93.76953 +/-100m); p307__2 (tier 2, 32.50470,-93.78129 +/-100m); p322 (tier 2, 32.48919,-93.76733 +/-379m); p328__2 (tier 1, 32.46753,-93.81228 +/-140m); p333 (tier 3, 32.51780,-93.73916 +/-1268m); p334 (tier 2, 32.48366,-93.78177 +/-100m); p335 (tier 3, 32.52256,-93.75400 +/-1268m); p336 (tier 3, 32.50461,-93.76519 +/-1268m); p338 (tier 4, 32.49384,-93.77985 +/-4449m); p339 (tier 3, 32.51740,-93.71243 +/-1268m); p340 (tier 4, 32.49384,-93.77985 +/-4449m); p341 (tier 4, 32.49384,-93.77985 +/-4449m); p345__1 (tier 1, 32.51532,-93.75422 +/-436m); p345__2 (tier 1, 32.51160,-93.74541 +/-419m); p346__1 (tier 3, 32.52080,-93.72137 +/-1268m); p346__2 (tier 3, 32.52080,-93.72137 +/-1268m); p346__3 (tier 3, 32.52080,-93.72137 +/-1268m); p348 (tier 4, 32.49384,-93.77985 +/-4449m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0301__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 | 1961 | sanborn03401_012 p301 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6580.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0301__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0301","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1352.6,1809.5 1348.9,1310.8 1496.4,1311.2 1498.3,902.0 1645.0,922.9 1645.0,0.0 949.1,0.0 402.7,977.5 0.0,1056.8 -0.0,1589.1 91.9,1592.0 97.0,1589.8 317.2,1591.4 314.9,1801.1 348.8,1949.0 831.5,1949.0 836.5,1801.2 1352.6,1809.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0301__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[955.0,606.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.771277,32.517068]}},{"type":"Feature","properties":{"resourceCoords":[1347.0,1560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7695484,32.5136371]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0302__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 | 1961 | sanborn03401_012 p302 [1]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"20"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6608.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0302__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0302","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1553.0,1860.9 1551.6,1949.0 1652.0,1949.0 1652.0,562.9 870.8,560.6 870.8,7.3 385.0,11.9 376.9,942.5 229.2,920.0 223.7,1332.7 75.0,1331.0 74.2,1833.9 1553.0,1860.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0302__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[814.0,1598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.766391,32.513636]}},{"type":"Feature","properties":{"resourceCoords":[522.0,965.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7676856,32.5158815]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0303/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p303","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"27"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0303/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0303","type":"ImageService3","width":1645,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,-0.0 541.0,0.0 540.3,210.7 575.4,359.1 1060.3,355.5 1064.3,207.0 1473.4,210.5 1483.2,1746.0 1055.5,1745.9 1055.2,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0303/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1583.0,467.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7695057,32.5118166]}},{"type":"Feature","properties":{"resourceCoords":[1558.0,1746.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.769587,32.507216]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0304/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p304","metadata":[{"label":"streets","value":"19"},{"label":"intersections","value":"36"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0304/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0304","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1580.6,1765.8 -0.0,1748.7 -0.0,207.1 1590.1,221.3 1589.5,309.5 1652.0,308.9 1652.0,1561.2 1582.4,1560.9 1580.6,1765.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0304/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[901.0,1255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.766103,32.509019]}},{"type":"Feature","properties":{"resourceCoords":[108.0,355.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7695127,32.5122118]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0305/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p305","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0305/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0305","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"321.1,1726.9 325.0,757.9 -0.0,757.5 -0.0,413.4 327.4,413.9 327.9,353.9 328.2,324.2 328.0,211.9 1329.4,214.6 1325.3,1729.6 321.1,1726.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0305/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77313252583268,32.50796716928955]}},{"type":"Feature","properties":{"resourceCoords":[1653.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76609254057699,32.50800457819792]}},{"type":"Feature","properties":{"resourceCoords":[1653.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76604060647453,32.50095485402076]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77308059173022,32.50091744511239]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0306/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p306","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0306/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0306","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1339.9,1716.9 332.0,1705.2 353.0,192.5 1354.4,211.3 1357.5,8.7 1652.0,0.0 1652.0,1719.2 1586.8,1718.5 1583.3,1949.0 1330.9,1949.0 1339.9,1716.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0306/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76898458885894,32.507895815381914]}},{"type":"Feature","properties":{"resourceCoords":[1652.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76193964377397,32.50800003634743]}},{"type":"Feature","properties":{"resourceCoords":[1652.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76179486820088,32.50094107174912]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76883981328585,32.5008368507836]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0307__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 | 1961 | sanborn03401_012 p307 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6612.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0307__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0307","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 11.2,1842.3 1065.6,1840.2 1065.5,1949.0 1128.5,1949.0 1128.1,1433.1 1653.0,1431.0 1653.0,0.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0307__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[587.0,1593.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.782335,32.505406]}},{"type":"Feature","properties":{"resourceCoords":[1079.0,846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.780202,32.508133]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0308__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 | 1961 | sanborn03401_012 p308 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6862.4"},{"label":"split_canvas_w","value":"1601.6"},{"label":"split_canvas_h","value":"933.6"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0308__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0308","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 391.4,1949.0 389.5,1715.6 0.0,1715.7 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0308__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1715.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78613876219634,32.500976093110694]}},{"type":"Feature","properties":{"resourceCoords":[400.4,1715.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78442509083803,32.5009635142794]}},{"type":"Feature","properties":{"resourceCoords":[400.4,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78443381791955,32.500118214938546]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78614748927787,32.50013079376984]}},{"type":"Feature","properties":{"resourceCoords":[389.4,1736.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.784473,32.500888]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0308__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 | 1961 | sanborn03401_012 p308 [2]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"29"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6608.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0308__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0308","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"585.4,1695.2 583.7,1949.0 1211.0,1949.0 1211.0,1761.0 1652.0,1762.9 1652.0,894.3 1505.6,894.0 1501.8,301.3 1065.8,301.6 1065.8,191.6 -0.0,194.4 -0.0,1171.2 84.9,1171.9 85.1,1405.8 -0.0,1405.1 -0.0,1603.3 86.1,1603.2 85.8,1701.1 585.4,1695.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0308__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1211.0,1761.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.77965,32.498829]}},{"type":"Feature","properties":{"resourceCoords":[81.0,445.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.784484,32.503591]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0309/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p309","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0309/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0309","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"88.1,596.3 -0.0,597.6 0.0,-0.0 1088.8,0.0 1088.2,97.5 1589.0,92.5 1586.8,345.7 1653.0,347.4 1653.0,1842.6 78.6,1845.6 88.1,596.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0309/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78912278407222,32.49940254373005]}},{"type":"Feature","properties":{"resourceCoords":[1653.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78205683027157,32.49940620514444]}},{"type":"Feature","properties":{"resourceCoords":[1653.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78205174768325,32.49232979959444]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.7891177014839,32.49232613818005]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0310/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p310","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"16"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0310/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0310","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"345.1,1824.3 347.5,329.9 906.0,329.9 906.7,142.8 1396.4,147.8 1387.3,1827.5 345.1,1824.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0310/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[905.0,575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.779653,32.497259]}},{"type":"Feature","properties":{"resourceCoords":[1150.0,575.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.778598,32.497261]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0311/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p311","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0311/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0311","type":"ImageService3","width":1653,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"144.8,1377.4 196.2,1379.5 196.3,1355.6 144.9,1354.1 147.9,901.4 -0.0,900.2 0.0,0.0 1573.5,0.0 1571.3,973.0 1653.0,973.1 1653.0,1949.0 1447.6,1949.0 1449.1,1779.2 193.9,1774.5 142.2,1772.8 144.8,1377.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0311/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77840240802485,32.50520404808397]}},{"type":"Feature","properties":{"resourceCoords":[1653.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77139094370396,32.50523466271134]}},{"type":"Feature","properties":{"resourceCoords":[1653.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77134844327186,32.49821328507442]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77835990759274,32.49818267044705]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0312/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p312","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"24"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0312/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0312","type":"ImageService3","width":1654,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"213.2,114.8 1457.8,118.2 1453.7,1281.0 1470.0,1300.0 1539.9,1303.3 1654.0,1260.3 1654.0,1949.0 1465.2,1949.0 932.4,1949.0 933.0,1826.0 200.9,1805.7 213.2,114.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0312/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[705.0,987.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.775422,32.495675]}},{"type":"Feature","properties":{"resourceCoords":[952.0,1297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.77436,32.49456]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0313/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p313","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"21"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0313/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0313","type":"ImageService3","width":1655,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"446.3,1246.3 446.1,266.8 1369.1,268.0 1390.3,1949.0 238.8,1949.0 241.6,1246.3 446.3,1246.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0313/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[243.0,1076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.772217,32.498821]}},{"type":"Feature","properties":{"resourceCoords":[1370.0,521.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.767433,32.500833]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0314/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p314","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"19"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0314/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0314","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1334.3,266.9 1329.0,501.6 1582.3,497.5 1582.1,264.5 1647.5,264.1 1652.0,1513.9 345.3,1525.0 322.6,271.5 1334.3,266.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0314/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1333.0,1028.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7631443,32.499034]}},{"type":"Feature","properties":{"resourceCoords":[347.0,1412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.767332,32.497653]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0315/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p315","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0315/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0315","type":"ImageService3","width":1655,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"329.5,758.5 244.8,745.5 238.6,445.2 1384.9,425.0 1391.6,696.8 1655.0,692.3 1655.0,766.9 1104.0,1083.5 449.3,1088.4 443.0,713.9 329.5,758.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0315/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.773211670066,32.49731442428935]}},{"type":"Feature","properties":{"resourceCoords":[1655.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76613958932971,32.497237804814894]}},{"type":"Feature","properties":{"resourceCoords":[1655.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76624581755732,32.49016365707807]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77331789829361,32.49024027655253]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0316/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p316","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0316/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0316","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"224.7,1426.1 370.2,1399.6 253.4,1393.2 -0.0,1449.7 -0.0,1274.5 99.6,1221.3 -0.0,1190.3 -0.0,1103.4 596.8,776.4 598.5,701.5 335.5,700.0 334.1,0.0 1652.0,0.0 1652.0,1949.0 216.8,1949.0 224.7,1426.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0316/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[336.0,700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.767303,32.494721]}},{"type":"Feature","properties":{"resourceCoords":[335.0,152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.767326,32.496701]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0317/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p317","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0317/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0317","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,1834.8 85.5,1833.3 83.9,1669.2 79.0,1435.7 75.8,1103.0 53.5,9.9 1554.0,0.0 1545.1,472.7 1584.7,1648.4 1250.1,1652.5 1255.9,1884.0 807.4,1889.5 808.3,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0317/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.7953499229774,32.49362629173725]}},{"type":"Feature","properties":{"resourceCoords":[1659.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78829403542883,32.493548753253016]}},{"type":"Feature","properties":{"resourceCoords":[1659.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78840127422625,32.486507533012]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.7954571617748,32.486585071496236]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0318/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p318","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0318/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0318","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"251.8,160.7 1410.0,153.3 1414.6,1800.8 -0.0,1808.1 -0.0,1576.3 276.7,1575.4 251.8,160.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0318/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78984889000411,32.49328500880982]}},{"type":"Feature","properties":{"resourceCoords":[1652.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78283208937069,32.493260534038235]}},{"type":"Feature","properties":{"resourceCoords":[1652.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78286608225808,32.48622862375289]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.7898828828915,32.48625309852448]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0319/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p319","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0319/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0319","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1076.7,1365.7 1063.4,1777.5 224.7,1777.0 232.3,139.5 1441.9,141.5 1445.5,1368.0 1076.7,1365.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0319/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78485715002338,32.493214554975]}},{"type":"Feature","properties":{"resourceCoords":[1652.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77779757441421,32.49323419517776]}},{"type":"Feature","properties":{"resourceCoords":[1652.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.7777702962563,32.48615941232733]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78482987186548,32.48613977212457]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0320/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p320","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"19"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0320/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0320","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"334.2,211.0 1333.8,228.7 1326.6,1417.3 336.7,1415.2 334.2,211.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0320/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1331.0,934.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.774432,32.490133]}},{"type":"Feature","properties":{"resourceCoords":[679.0,945.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.777211,32.490084]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0321/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p321","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0321/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0321","type":"ImageService3","width":1654,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"815.0,311.0 812.1,0.0 1464.2,0.0 1425.0,21.6 1426.3,108.3 1526.1,137.7 1427.6,192.3 1425.6,368.0 1654.0,313.1 1654.0,1374.2 1062.0,1949.0 102.9,1949.0 95.6,317.8 815.0,311.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0321/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[99.0,1145.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.774437,32.489213]}},{"type":"Feature","properties":{"resourceCoords":[99.0,1405.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.774443,32.488272]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0323/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p323","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"28"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0323/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0323","type":"ImageService3","width":1656,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"484.3,1814.2 412.1,1682.9 -0.0,1837.3 -0.0,136.9 442.7,137.8 441.4,0.0 497.3,0.0 496.4,137.9 1551.0,140.2 1553.8,1551.0 1559.6,1613.5 1623.3,1733.1 1273.0,1931.0 1266.3,1706.6 772.4,1714.3 769.7,1949.0 505.5,1949.0 484.3,1814.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0323/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[775.0,1255.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.788667,32.482705]}},{"type":"Feature","properties":{"resourceCoords":[775.0,369.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.788677,32.485926]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0324/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p324","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"26"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0324/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0324","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"226.0,211.1 1404.6,219.1 1396.8,835.9 1423.5,836.1 1421.5,1005.5 1437.9,1127.4 646.1,1328.3 709.5,1578.0 288.4,1814.6 219.4,1674.7 226.0,211.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0324/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1174.0,1583.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.781222,32.481841]}},{"type":"Feature","properties":{"resourceCoords":[903.0,1109.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.782401,32.483544]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0325/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p325","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0325/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0325","type":"ImageService3","width":1656,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"174.6,1374.7 153.1,1223.7 153.8,1055.5 127.4,1055.4 143.4,31.8 508.9,33.6 508.7,0.0 1488.8,0.0 1487.1,581.4 1656.0,576.5 1656.0,1928.9 1475.5,1929.8 1444.7,1811.7 1423.9,1810.8 1378.3,1731.2 1299.8,1805.3 899.5,1802.8 890.5,1545.2 503.0,1725.4 502.2,1949.0 203.8,1949.0 205.1,1658.8 175.2,1660.7 147.4,1389.8 174.6,1374.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0325/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[135.0,1331.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7802619,32.4835447]}},{"type":"Feature","properties":{"resourceCoords":[503.0,1725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.778672,32.482113]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0326/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p326","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0326/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0326","type":"ImageService3","width":1660,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"303.9,578.1 1101.5,587.6 1660.0,66.0 1660.0,287.5 1432.5,286.7 1354.4,360.4 1348.8,1949.0 297.4,1949.0 303.9,578.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0326/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77501034167169,32.48836661484809]}},{"type":"Feature","properties":{"resourceCoords":[1660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.7679992754702,32.488406235171404]}},{"type":"Feature","properties":{"resourceCoords":[1660.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76794451518194,32.48141355186839]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.77495558138342,32.48137393154508]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0327/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p327","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0327/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0327","type":"ImageService3","width":1656,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1656.0,0.0 1656.0,1949.0 -0.0,1949.0 -0.0,74.1 78.0,0.0 1656.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0327/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76928080918424,32.48737119787265]}},{"type":"Feature","properties":{"resourceCoords":[1656.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76229822904807,32.48738980405162]}},{"type":"Feature","properties":{"resourceCoords":[1656.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76227245116648,32.4804086228341]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.76925503130265,32.48039001665513]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0328__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 | 1961 | sanborn03401_012 p328 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6596.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0328__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0328","type":"ImageService3","width":1649,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 1140.9,1949.0 1141.0,1594.2 1470.4,1465.1 1649.0,1463.7 1649.0,1392.2 1513.3,1442.5 1528.8,1378.9 1649.0,1331.7 1649.0,1090.9 1336.3,1194.4 1305.2,1184.1 1235.4,993.0 873.2,0.0 0.0,-0.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0328__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[539.0,1007.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.796179,32.474535]}},{"type":"Feature","properties":{"resourceCoords":[292.0,1007.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7972593,32.474529]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0329/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p329","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0329/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0329","type":"ImageService3","width":1657,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1252.7,0.0 1274.8,146.6 1248.1,278.8 1380.6,328.1 1366.2,1066.5 1366.2,1066.5 1349.4,1931.8 108.0,1949.0 154.9,1891.7 274.9,1892.0 358.2,1665.3 63.5,1661.2 -0.0,1638.0 -0.0,-0.0 1252.7,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0329/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.79530665467875,32.47952774895732]}},{"type":"Feature","properties":{"resourceCoords":[1657.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78858652762896,32.48166827903441]}},{"type":"Feature","properties":{"resourceCoords":[1657.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.7856229408282,32.47495306548774]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.792343067878,32.47281253541065]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0330/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p330","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0330/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0330","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1582.0 -0.0,1582.0 -0.0,299.7 117.2,340.4 197.9,116.4 674.1,273.5 605.6,490.9 1643.0,299.5 1563.0,542.1 1659.0,526.9 1659.0,1949.0 -0.0,1946.1 -0.0,1582.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0330/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[30.0,596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.788674,32.479216]}},{"type":"Feature","properties":{"resourceCoords":[1643.0,300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7826245,32.4821278]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0331/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p331","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"16"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0331/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0331","type":"ImageService3","width":1657,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"464.9,1856.0 217.5,1795.7 258.9,1949.0 -0.0,1949.0 -0.0,1128.0 64.1,1163.4 310.6,1204.1 316.4,1174.3 600.2,1249.8 676.6,957.8 457.9,899.7 382.8,464.2 635.2,531.4 740.0,140.1 687.6,44.3 777.1,20.1 783.4,-0.0 1657.0,-0.0 1657.0,1665.1 442.2,1761.8 464.9,1856.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0331/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[677.0,1584.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7812538,32.4807243]}},{"type":"Feature","properties":{"resourceCoords":[635.0,531.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.776962,32.481834]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0332/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p332","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0332/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0332","type":"ImageService3","width":1659,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,944.4 199.5,945.0 71.0,791.8 166.3,713.9 173.8,503.9 155.2,434.3 -0.0,254.5 -0.0,-0.0 1237.0,0.0 1315.2,111.8 1444.3,0.0 1659.0,0.0 1659.0,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0332/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[927.0,710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.752717,32.523199]}},{"type":"Feature","properties":{"resourceCoords":[433.0,1165.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7548466,32.5215469]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0337/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p337","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0337/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0337","type":"ImageService3","width":1657,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"682.0,1164.6 684.7,884.0 1418.3,890.7 1428.2,1170.8 682.0,1164.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0337/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78153339807189,32.487094606716]}},{"type":"Feature","properties":{"resourceCoords":[1657.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78146552880284,32.48100142957616]}},{"type":"Feature","properties":{"resourceCoords":[1657.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78990262423132,32.480933618181574]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.78997049350036,32.48702679532141]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0342/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p342","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0342/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0342","type":"ImageService3","width":1658,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,0.0 1555.0,0.0 1552.2,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0342/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.80171935934399,32.49400304024691]}},{"type":"Feature","properties":{"resourceCoords":[1658.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.79467778353664,32.49403192407379]}},{"type":"Feature","properties":{"resourceCoords":[1658.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.7946378117721,32.48700078160643]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-93.80167938757945,32.486971897779554]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0343/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p343","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"25"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0343/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0343","type":"ImageService3","width":1652,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1714.1 -0.0,-0.0 1652.0,0.0 1652.0,233.4 1480.5,232.5 1477.3,834.2 1565.4,833.4 1560.5,1845.5 67.3,1836.8 69.9,1714.2 -0.0,1714.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0343/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1562.0,1590.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.78874,32.49451]}},{"type":"Feature","properties":{"resourceCoords":[563.0,1837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.793004,32.493598]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0344/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shreveport, Louisiana | 1961 | sanborn03401_012 p344","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0344/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0344","type":"ImageService3","width":1660,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1659.3,1949.0 -0.0,1949.0 0.0,-0.0 1660.0,-0.0 1660.0,216.2 1510.0,204.0 718.0,1134.0 909.7,1300.0 1179.5,1311.5 1364.2,1474.3 1360.7,1596.9 1559.9,1600.0 1429.4,1749.9 1659.3,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0344/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[532.0,1835.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7595285,32.524624]}},{"type":"Feature","properties":{"resourceCoords":[532.0,1589.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.7587239,32.5252108]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0347__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 | 1961 | sanborn03401_012 p347 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6684.0"},{"label":"split_canvas_h","value":"4027.6"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0347__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0347","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1006.9 623.1,1003.7 621.6,619.3 1671.0,608.9 1671.0,336.5 1551.0,336.5 1548.2,74.8 1671.0,73.8 1671.0,0.0 -0.0,-0.0 -0.0,27.9 224.7,30.0 222.2,295.4 111.8,294.8 113.8,501.5 -0.0,500.4 -0.0,1006.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0347__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1166.0,336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.812921,32.47124]}},{"type":"Feature","properties":{"resourceCoords":[1551.0,336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.811276,32.471224]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0347__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 | 1961 | sanborn03401_012 p347 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"2486.4"},{"label":"split_canvas_y","value":"2435.6"},{"label":"split_canvas_w","value":"4197.6"},{"label":"split_canvas_h","value":"1881.2"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0347__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0347","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1561.1,873.5 1671.0,873.1 1671.0,608.9 621.6,619.3 623.1,1003.7 623.3,1078.9 1565.0,1079.2 1561.1,873.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0347__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1218.2,873.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.818893,32.47146]}},{"type":"Feature","properties":{"resourceCoords":[1561.1,873.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.817423,32.471434]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0347__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 | 1961 | sanborn03401_012 p347 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4014.8"},{"label":"split_canvas_w","value":"6684.0"},{"label":"split_canvas_h","value":"3781.2"}],"created":"2026-09-22T07:06:29Z","modified":"2026-09-22T07:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0347__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0347","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"181.0,1949.0 402.0,1949.0 1671.0,1949.0 1671.0,1079.2 623.3,1078.9 623.1,1003.7 97.4,1006.4 98.0,1267.5 219.1,1268.6 221.3,1813.2 -0.0,1811.6 -0.0,1949.0 181.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014sm:g03401196103:03401_03_1961-0347__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[98.0,1267.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.811276,32.471224]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,1267.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-93.8058248,32.4712097]}}]}}]}