1939. 2011-12-12T21:27:19Z. 2022-03-29T20:39:27Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Louisiana and Mississippi.
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1939. 2011-12-12T21:27:30Z. 2022-03-29T20:39:28Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Louisiana.
1939. 2013-05-31T18:43:40Z. 2015-04-21T22:05:10Z. Seghers, Guy J., cartographer. Guy J. Seghers?. English. cartographic image. Public. New Orleans (La.), Louisiana, New Orleans, and New Orleans.
1939. 2012-01-04T19:53:08Z. 2015-04-21T22:02:35Z. United States. Bureau of Public Roads. The Bureau. English. Public. Louisiana.