@misc{indiciae2dc9d3b2fdc7,
  title = {Surface water supply of the United States, 1938, Part VII, Lower Mississippi River basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1939},
  doi = {10.3133/wsp857},
  url = {https://pubs.usgs.gov/publication/wsp857},
  note = {Source identifier: wsp857}
}