@misc{indiciae550933532988,
  title = {Depositional environments and authigenic mineral distributions in the Oligocene Creede Formation, Colorado, USA},
  author = {Daniel Larsen and Laura J. Crossey},
  year = {2001},
  doi = {10.3133/ofr94260e},
  url = {https://pubs.usgs.gov/publication/ofr94260E},
  note = {Source identifier: ofr94260E}
}