@misc{indiciae6550e1aec381,
  title = {Chemical indicators of subsurface temperature applied to hot spring waters of Yellowstone National Park, Wyoming, U.S.A.},
  author = {R.O. Fournier and A.H. Truesdell},
  year = {1970},
  doi = {10.1016/0375-6505(70)90051-9},
  url = {https://pubs.usgs.gov/publication/70010079},
  note = {Source identifier: 70010079}
}