@misc{indiciaec8dba4ae4a77,
  title = {Ground water in the Trinity group in the San Antonio area, Texas},
  author = {J.W. Lang},
  year = {1953},
  doi = {10.3133/ofr53150},
  url = {https://pubs.usgs.gov/publication/ofr53150},
  note = {Source identifier: ofr53150}
}