@misc{indiciae5e80be8933d8,
  title = {Historical potentiometric surface of the Edwards-Trinity aquifer system and contiguous hydraulically connected units, west-central Texas},
  author = {Peter W. Bush and Ann F. Ardis and Kirby H. Wynn},
  year = {1993},
  doi = {10.3133/wri924055},
  url = {https://pubs.usgs.gov/publication/wri924055},
  note = {Source identifier: wri924055}
}