@misc{indiciae51a615edc770,
  title = {Studies of the Permian Phosphoria Formation and related rocks, Great Basin-Rocky Mountain region},
  author = {Bruce R. Wardlaw},
  year = {1979},
  doi = {10.3133/pp1163ad},
  url = {https://pubs.usgs.gov/publication/pp1163AD},
  note = {Source identifier: pp1163AD}
}