@misc{indiciaefc51f5af9a6d,
  title = {Detailed cross sections of the Eocene Green River Formation along the north and east margins of the Piceance Basin, western Colorado, using measured sections and drill hole information},
  author = {Ronald C. Johnson},
  year = {2014},
  doi = {10.3133/sim3276},
  url = {https://pubs.usgs.gov/publication/sim3276},
  note = {Source identifier: sim3276}
}