@misc{indiciae6962488ffc53,
  title = {Preliminary geologic map of the Pillar Butte, Pillar Butte NE, Pillar Butte SE, and Rattlesnake Butte quadrangles, Bingham, Blaine, and Power counties, Idaho},
  author = {H. R. Covington},
  year = {1977},
  doi = {10.3133/ofr77779},
  url = {https://pubs.usgs.gov/publication/ofr77779},
  note = {Source identifier: ofr77779}
}