@misc{indiciaeaf847d4395b3,
  title = {Stratigraphy and sedimentology of the Eocene Tejon Formation, western Tehachapi and San Emigdio mountains, California},
  author = {Tor Helge Nilsen},
  year = {1987},
  doi = {10.3133/pp1268},
  url = {https://pubs.usgs.gov/publication/pp1268},
  note = {Source identifier: pp1268}
}