@misc{indiciaed288b8e2681d,
  title = {Geochemical database for volcanic rocks of the western Cascades, Washington, Oregon, and California},
  author = {Edward A. du Bray and David A. John and David R. Sherrod and Russell C. Evarts and Richard M. Conrey and Jaroslav Lexa},
  year = {2006},
  doi = {10.3133/ds155},
  url = {https://pubs.usgs.gov/publication/ds155},
  note = {Source identifier: ds155}
}