@misc{indiciae1e6a19ff510b,
  title = {Tabulated petrologic data from a study of the Morrison Formation in the Colorado Plateau region},
  author = {Robert Allen Cadigan},
  year = {1967},
  doi = {10.3133/ofr6733},
  url = {https://pubs.usgs.gov/publication/ofr6733},
  note = {Source identifier: ofr6733}
}