@misc{indiciae86e0b15bba00,
  title = {Geology and geochemistry of the upper Miocene phosphate deposit near New Cuyama, Santa Barbara County, California},
  author = {Albert Eugene Roberts and Thomas L. Vercoutere},
  year = {1986},
  doi = {10.3133/b1635},
  url = {https://pubs.usgs.gov/publication/b1635},
  note = {Source identifier: b1635}
}