@misc{indiciae29f0b098057f,
  title = {Chronostratigraphic cross section of Cretaceous formations in western Montana, western Wyoming, eastern Utah, northeastern Arizona, and northwestern New Mexico, U.S.A.},
  author = {E. Allen Merewether and Kevin C. McKinney},
  year = {2015},
  doi = {10.3133/ofr20151087},
  url = {https://pubs.usgs.gov/publication/ofr20151087},
  note = {Source identifier: ofr20151087}
}