@misc{indiciae438f568f5790,
  title = {Chromite deposits of Casper Mountain, Natrona County, Wyoming},
  author = {E.L. Stephenson and H.K. Stephenson},
  year = {1942},
  doi = {10.3133/ofr4215},
  url = {https://pubs.usgs.gov/publication/ofr4215},
  note = {Source identifier: ofr4215}
}