@misc{indiciae30527d59e8ef,
  title = {Geologic map of the Tule Butte quadrangle, Sweetwater County, Wyoming},
  author = {H. D. Zeller and E. V. Stephens},
  year = {1964},
  doi = {10.3133/mf297},
  url = {https://pubs.usgs.gov/publication/mf297},
  note = {Source identifier: mf297}
}