@misc{indiciae44f25300ea53,
  title = {Geology of the bituminous sandstone deposits near Edna, San Luis Obispo County, California},
  author = {Benjamin M. Page and M.D. Williams and E.L. Henrickson and C. N. Holmes and W. J. Mapel},
  year = {1944},
  doi = {10.3133/om16},
  url = {https://pubs.usgs.gov/publication/om16},
  note = {Source identifier: om16}
}