@misc{indiciae3f37f10024ed,
  title = {Regional specific yield of the Edwards and associated limestones in the San Antonio, Texas, area},
  author = {R.W. Maclay and P.L. Rettman},
  year = {1973},
  doi = {10.3133/ofr73172},
  url = {https://pubs.usgs.gov/publication/ofr73172},
  note = {Source identifier: ofr73172}
}