@misc{indiciae6ad193f78a6d,
  title = {Oil shale of the Uinta Basin, northeastern Utah},
  author = {D. E. Winchester},
  year = {1919},
  doi = {10.3133/b691b},
  url = {https://pubs.usgs.gov/publication/b691B},
  note = {Source identifier: b691B}
}