@misc{indiciae4cf602fd4631,
  title = {Geologic map of the Oreana tungsten mine, Pershing County, Nevada},
  author = {R. E. Wallace and D.B. Tatlock},
  year = {1970},
  doi = {10.3133/ofr70357},
  url = {https://pubs.usgs.gov/publication/ofr70357},
  note = {Source identifier: ofr70357}
}