@misc{indiciae1aed40c27858,
  title = {Coal resources of Upper Cretaceous Fruitland Formation in the Southern Ute Indian Reservation, southwestern Colorado},
  author = {Dorothy T. Sandberg},
  year = {1997},
  url = {https://pubs.usgs.gov/publication/70094638},
  note = {Source identifier: 70094638}
}