@misc{indiciae2d7bf2d5435f,
  title = {Volcano-Monitoring Instrumentation in the United States, 2008},
  author = {Marianne Guffanti and Angela K. Diefenbach and John W. Ewert and David W. Ramsey and Peter F. Cervelli and Steven P. Schilling},
  year = {2010},
  doi = {10.3133/ofr20091165},
  url = {https://pubs.usgs.gov/publication/ofr20091165},
  note = {Source identifier: ofr20091165}
}