@misc{indiciae092dae8857ca,
  title = {Hydrochemical data for the Edwards aquifer in the San Antonio area, Texas},
  author = {R.W. Maclay and P.L. Rettman and T. A. Small},
  year = {1980},
  url = {https://pubs.usgs.gov/publication/70176102},
  note = {Source identifier: 70176102}
}