@misc{indiciae148bf5055a9c,
  title = {Geothermal gas compositions in yellowstone National Park, USA},
  author = {D.S. Sheppard and A.H. Truesdell and C. J. Janik},
  year = {1992},
  url = {https://pubs.usgs.gov/publication/70017069},
  note = {Source identifier: 70017069}
}