@misc{indiciae1931fc8ce7b0,
  title = {Properties and chemical constituents in ground water from permeable zone D (middle Miocene deposits), coastal lowlands aquifer system, south-central United States},
  author = {Robert A. Pettijohn and John F. Busby and Jeffery D. Beckman},
  year = {1993},
  doi = {10.3133/wri924105},
  url = {https://pubs.usgs.gov/publication/wri924105},
  note = {Source identifier: wri924105}
}