@misc{indiciae94e02c71cd03,
  title = {Geological basis for the assessment of undiscovered oil and gas resources of the Ventura Basin Province, California : 1987 national assessment},
  author = {Margaret A. Keller},
  year = {1988},
  doi = {10.3133/ofr87450m},
  url = {https://pubs.usgs.gov/publication/ofr87450M},
  note = {Source identifier: ofr87450M}
}