@misc{indiciae745531034688,
  title = {Geochemical database for igneous rocks of the ancestral Cascades Arc— Southern segment, California and Nevada},
  author = {Edward A. du Bray and David A. John and Keith Putirka and Brian L. Cousens},
  year = {2009},
  doi = {10.3133/ds439},
  url = {https://pubs.usgs.gov/publication/ds439},
  note = {Source identifier: ds439}
}