@misc{indiciaeeeee6fb86061,
  title = {Stratigraphic sections of the oil shale deposits in the western part of the Piceance Creek Basin, Garfield and Rio Blanco Counties, Colorado},
  author = {John Roswell Donnell and W. B. Cashion and W.M. Zilbersher and W.C. Gibson and M. G. Wolman},
  year = {1950},
  doi = {10.3133/ofr5016},
  url = {https://pubs.usgs.gov/publication/ofr5016},
  note = {Source identifier: ofr5016}
}