@misc{indiciae9fb66082ed7e,
  title = {Potential shale-oil resources of a stratigraphic sequence above the Mahogany Zone, Green River Formation, Piceance Creek Basin, Colorado},
  author = {John R. Donnell and Janet K. Pitman},
  year = {1973},
  url = {https://pubs.usgs.gov/publication/70160815},
  note = {Source identifier: 70160815}
}