@misc{indiciaefa54d83be89d,
  title = {Index of surface-water records to December 31, 1963--Part 7, Lower Mississippi River basin},
  author = {H.P. Eisenhuth},
  year = {1965},
  doi = {10.3133/cir507},
  url = {https://pubs.usgs.gov/publication/cir507},
  note = {Source identifier: cir507}
}