@misc{indiciae889ffa90bf15,
  title = {Selecting and collecting thermal springs for chemical analysis; a method for field personnel},
  author = {J. M. Thompson},
  year = {1975},
  doi = {10.3133/ofr7568},
  url = {https://pubs.usgs.gov/publication/ofr7568},
  note = {Source identifier: ofr7568}
}