@misc{indiciae79e3fd1146b4, title = {Surface water supply of the United States, 1960, Part 7, lower Mississippi River Basin}, author = {E. L. Hendricks}, year = {1962}, doi = {10.3133/wsp1711}, url = {https://pubs.usgs.gov/publication/wsp1711}, note = {Source identifier: wsp1711} }