@misc{indiciae5de977b3e93a,
  title = {Survey of helium in natural water wells and springs in southwest Montana and Imperial Valley, California; Part V, Jan. 1-Dec. 31, 1982},
  author = {Willis P. Doering and Irving Friedman},
  year = {1983},
  doi = {10.3133/ofr83500},
  url = {https://pubs.usgs.gov/publication/ofr83500},
  note = {Source identifier: ofr83500}
}