@misc{indiciaefe7ea6c01800,
  title = {The Red Bluff Pediment; a datum plane for locating Quaternary structures in the Sacramento Valley, California},
  author = {Edward J. Helley and Cheryl Jaworowski},
  year = {1985},
  doi = {10.3133/b1628},
  url = {https://pubs.usgs.gov/publication/b1628},
  note = {Source identifier: b1628}
}