@misc{indiciaefd60db2606eb,
  title = {Geology and geochronology of the Clear Lake Volcanics, California},
  author = {B.C. Hearn and Julie M. Donnelly and Fraser E. Goff},
  year = {1975},
  doi = {10.3133/ofr75296},
  url = {https://pubs.usgs.gov/publication/ofr75296},
  note = {Source identifier: ofr75296}
}