@misc{indiciae6e98fea1b624,
  title = {Structure and oil resources of the Simi Valley, southern California},
  author = {W.S.W. Kew},
  year = {1919},
  doi = {10.3133/b691m},
  url = {https://pubs.usgs.gov/publication/b691M},
  note = {Source identifier: b691M}
}