@misc{indiciaebbc28e790f6b,
  title = {Surface water supply of the United States, 1910, Part VII, Lower Mississippi basin},
  author = {W.B. Freeman and J.G. Mathers},
  year = {1911},
  doi = {10.3133/wsp287},
  url = {https://pubs.usgs.gov/publication/wsp287},
  note = {Source identifier: wsp287}
}