@misc{indiciaea4672b79e737,
  title = {Index of surface-water records to September 30, 1970; Part 7, Lower Mississippi River basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1972},
  doi = {10.3133/cir657},
  url = {https://pubs.usgs.gov/publication/cir657},
  note = {Source identifier: cir657}
}