@misc{indiciaed2ad52b0b1c3,
  title = {Coal geology and preliminary coal zone correlations in the Fruitland Formation, western part of the southern Ute Indian Reservation, La Plata County, Colorado},
  author = {Laura N.R. Roberts and Jane Uptegrove},
  year = {1991},
  doi = {10.3133/coal138},
  url = {https://pubs.usgs.gov/publication/coal138},
  note = {Source identifier: coal138}
}