@misc{indiciae7394e208e273,
  title = {Comparison of the chemical composition of mineralized and unmineralized (barren) samples of the Morrison Formation in the Ambrosia Lake uranium area, New Mexico},
  author = {Charles S. Spirakis and Charles Thomas Pierson and Harry Clifford Granger},
  year = {1981},
  doi = {10.3133/ofr81508},
  url = {https://pubs.usgs.gov/publication/ofr81508},
  note = {Source identifier: ofr81508}
}