@misc{indiciaea12f1a54b50a,
  title = {Groundwater availability of the Mississippi embayment},
  author = {Brian R. Clark and Rheannon M. Hart and Jason J. Gurdak},
  year = {2011},
  doi = {10.3133/pp1785},
  url = {https://pubs.usgs.gov/publication/pp1785},
  note = {Source identifier: pp1785}
}