@misc{indiciae9acb57550e56,
  title = {Preliminary geologic map of Cenozoic deposits of the Guinda, Dunningan, Woodland, and Lake Berryessa quadrangles, California},
  author = {Edward J. Helley and Judith Ann Barker},
  year = {1979},
  doi = {10.3133/ofr791606},
  url = {https://pubs.usgs.gov/publication/ofr791606},
  note = {Source identifier: ofr791606}
}