@misc{indiciae6966c93d8fe7,
  title = {Preliminary report on a coal exploratory drill hole in the Book Cliffs coal region, Garfield County, Colorado},
  author = {Maureen McPhillips},
  year = {1980},
  doi = {10.3133/ofr80940},
  url = {https://pubs.usgs.gov/publication/ofr80940},
  note = {Source identifier: ofr80940}
}