@misc{indiciae486ab108f45a,
  title = {Geology of the Boysen area, central Wyoming},
  author = {Harry Allison Tourtelot and R. M. Thompson},
  year = {1948},
  doi = {10.3133/om91},
  url = {https://pubs.usgs.gov/publication/om91},
  note = {Source identifier: om91}
}