@misc{indiciae8290c5583f1e,
  title = {Reconnaissance geologic map of the west half of the Jordan Valley quadrangle, Malheur County, Oregon},
  author = {G. W. Walker and C.A. Repenning},
  year = {1966},
  doi = {10.3133/i457},
  url = {https://pubs.usgs.gov/publication/i457},
  note = {Source identifier: i457}
}