@misc{indiciae0fcec8289858,
  title = {Geology of the Oregon Buttes area, Sweetwater, Sublette, and Fremont Counties, southwestern Wyoming},
  author = {H. D. Zeller and E. Vernon Stephens},
  year = {1969},
  doi = {10.3133/b1256},
  url = {https://pubs.usgs.gov/publication/b1256},
  note = {Source identifier: b1256}
}