@misc{indiciae7fd08d4afc08,
  title = {Environmental-stratigraphic cross sections of the Cretaceous Fox Hills Sandstone and Hell Creek Formation and Paleocene Fort Union Formation, Richland and Roosevelt Counties, Montana},
  author = {R. M. Flores and C.L. Lepp},
  year = {1983},
  doi = {10.3133/mf1554},
  url = {https://pubs.usgs.gov/publication/mf1554},
  note = {Source identifier: mf1554}
}