@misc{indiciae514503fdd850, title = {Surface water supply of the United States, 1919-1920, Part VII, Lower Mississippi River basin}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1922}, doi = {10.3133/wsp507}, url = {https://pubs.usgs.gov/publication/wsp507}, note = {Source identifier: wsp507} }