@misc{indiciaea16809496870,
  title = {Preliminary bedrock geologic map of the east half of the Chiwaukum 4 SW Quadrangle, Chiwaukum Graben, Washington},
  author = {John T. Whetten},
  year = {1980},
  doi = {10.3133/ofr80616},
  url = {https://pubs.usgs.gov/publication/ofr80616},
  note = {Source identifier: ofr80616}
}