@misc{indiciaea176c57efb31, title = {Surface water supply of the United States, 1933, Part VII, Lower Mississippi River basin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1935}, doi = {10.3133/wsp747}, url = {https://pubs.usgs.gov/publication/wsp747}, note = {Source identifier: wsp747} }