@misc{indiciae2d810a30e5bd,
  title = {Ground-water levels in Wyoming, 1975},
  author = {Wilbur C. Ballance and Pamela B. Freudenthal},
  year = {1976},
  doi = {10.3133/ofr76598},
  url = {https://pubs.usgs.gov/publication/ofr76598},
  note = {Source identifier: ofr76598}
}