@misc{indiciaee211d92e1ab8,
  title = {Age of the Skooner Gulch Formation, Mendocino County, California},
  author = {Warren O. Addicott},
  year = {1967},
  doi = {10.3133/b1254c},
  url = {https://pubs.usgs.gov/publication/b1254C},
  note = {Source identifier: b1254C}
}