@misc{indiciae39ada5867a16, title = {Quality of surface waters of the United States, 1953. Parts 7 and 8, lower Mississippi River Basin and western Gulf of Mexico basins}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1958}, doi = {10.3133/wsp1292}, url = {https://pubs.usgs.gov/publication/wsp1292}, note = {Source identifier: wsp1292} }