@misc{indiciae010571c7995c,
  title = {Maps showing structure, overburden, and thickness for a rich oil-shale sequence in the Eocene Green River Formation, east-central Uinta Basin, Utah and Colorado},
  author = {W. B. Cashion},
  year = {1968},
  doi = {10.3133/ofr6833},
  url = {https://pubs.usgs.gov/publication/ofr6833},
  note = {Source identifier: ofr6833}
}