@misc{indiciaef304a4176f62,
  title = {Petrochemical studies of the Pinnacles Wilderness Contiguous Wilderness Study Area, Monterey and San Benito counties, California},
  author = {Steve Ludington and Karen Gray},
  year = {1987},
  doi = {10.3133/ofr87135},
  url = {https://pubs.usgs.gov/publication/ofr87135},
  note = {Source identifier: ofr87135}
}