@misc{indiciae1ab362cb4ac9,
  title = {Ground-water flow in the Gulf Coast aquifer systems, south central United States — A preliminary analysis},
  author = {A. K. Williamson and H. F. Grubb and J. S. Weiss},
  year = {1990},
  doi = {10.3133/wri894071},
  url = {https://pubs.usgs.gov/publication/wri894071},
  note = {Source identifier: wri894071}
}