@misc{indiciae7ecf0336dfaa,
  title = {Geologic map of the Pelican Butte quadrangle, Klamath County, Oregon},
  author = {James G. Smith},
  year = {1988},
  doi = {10.3133/gq1653},
  url = {https://pubs.usgs.gov/publication/gq1653},
  note = {Source identifier: gq1653}
}