@misc{indiciaeb9c272637468,
  title = {Geology and petrology of the upper Miocene phosphate deposit near New Cuyama, Santa Barbara County, California, with a section on phosphate resources},
  author = {Albert Eugene Roberts and Thomas L. Vercoutere and William T. Fedewa and R. David Hovland},
  year = {1981},
  doi = {10.3133/ofr811037},
  url = {https://pubs.usgs.gov/publication/ofr811037},
  note = {Source identifier: ofr811037}
}