@misc{indiciae1a535b5ad2c1,
  title = {Provenance of the Tullock Member of the Fort Union Formation, Powder River Basin, Wyoming and Montana: evidence for early Paleocene Laramide uplift},
  author = {P. L. Hansley and J. L. Brown},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70018319},
  note = {Source identifier: 70018319}
}