@misc{indiciae9253d72d7d71,
  title = {Pre- and post-eruptive investigations of gas and water samples from Mount St. Helens, Washington, 2002 to 2005},
  author = {D. Bergfeld and William C. Evans and Kenneth A. McGee and Kurt R. Spicer},
  year = {2008},
  doi = {10.3133/pp175025},
  url = {https://pubs.usgs.gov/publication/pp175025},
  note = {Source identifier: pp175025}
}