@misc{indiciae3e2147c7ae2a,
  title = {Structure at the Jurassic unconformity between the "Upper Sundance Formation" and the "Lower Sundance Formation", Powder River Basin, Wyoming and Montana},
  author = {J. E. Fox and Debra K. Higley},
  year = {1987},
  doi = {10.3133/ofr87340y},
  url = {https://pubs.usgs.gov/publication/ofr87340Y},
  note = {Source identifier: ofr87340Y}
}