@misc{indiciae2015f48b790a,
  title = {Petrographic and chemical data for the Quien Sabe volcanic rocks in the Mariposa Peak Quadrangle, central Diablo Range, California},
  author = {J. L. Drinkwater and P.W. Weigand and D. H. Sorg},
  year = {1988},
  doi = {10.3133/ofr88642},
  url = {https://pubs.usgs.gov/publication/ofr88642},
  note = {Source identifier: ofr88642}
}