@misc{indiciae7698fb7fd09f,
  title = {Geologic reconnaissance of the Antelope-Ashwood area, north-central Oregon, with emphasis on the John Day Formation of late Oligocene and early Miocene age},
  author = {Dallas L. Peck},
  year = {1964},
  doi = {10.3133/b1161d},
  url = {https://pubs.usgs.gov/publication/b1161D},
  note = {Source identifier: b1161D}
}