@misc{indiciae94306550140e,
  title = {Age of the Palouse Formation in the Walla Walla and Umatilla River basins, Oregon and Washington},
  author = {R. C. Newcomb},
  year = {1961},
  url = {https://pubs.usgs.gov/publication/70171408},
  note = {Source identifier: 70171408}
}