@misc{indiciaeb57a8cc6f8c1,
  title = {Quaternary aquifers in the Mississippi embayment, with a discussion of quality of the water},
  author = {E. H. Boswell and E. M. Cushing and R. L. Hosman and H. G. Jeffery},
  year = {1968},
  doi = {10.3133/pp448e},
  url = {https://pubs.usgs.gov/publication/pp448E},
  note = {Source identifier: pp448E}
}