@misc{indiciae7e4317178378,
  title = {Preliminary geologic map of the Prairie City quadrangle, Grant County, Oregon},
  author = {T. P. Thayer and R. L. Hay},
  year = {1967},
  doi = {10.3133/ofr67214},
  url = {https://pubs.usgs.gov/publication/ofr67214},
  note = {Source identifier: ofr67214}
}