@misc{indiciae3778edf55eea,
  title = {Structure at the base of the Upper Cretaceous Fox Hills Sandstone, Powder River basin, Wyoming and Montana},
  author = {J. E. Fox and Debra K. Higley},
  year = {1987},
  doi = {10.3133/ofr87340v},
  url = {https://pubs.usgs.gov/publication/ofr87340V},
  note = {Source identifier: ofr87340V}
}