@misc{indiciae16fed387a52f,
  title = {Properties and chemical constituents in ground water from the middle Wilcox aquifer, Gulf Coast regional aquifer systems, south-central United States},
  author = {Robert A. Pettijohn and John F. Busby and Jeffery D. Beckman},
  year = {1993},
  doi = {10.3133/wri934070},
  url = {https://pubs.usgs.gov/publication/wri934070},
  note = {Source identifier: wri934070}
}