@misc{indiciae0d6d7fe31676,
  title = {Lower and Middle Tertiary stratigraphic units of the San Emigdio and western Tehachapi Mountains, California},
  author = {Tor Helge Nilsen and T. W. Dibblee and Warren O. Addicott},
  year = {1973},
  doi = {10.3133/b1372h},
  url = {https://pubs.usgs.gov/publication/b1372H},
  note = {Source identifier: b1372H}
}