@misc{indiciae566a65039183,
  title = {Results of 1988 coal exploratory drilling in the Fruitland Formation, western part of the Southern Ute Indian Reservation, La Plata County, Colorado; lithologic descriptions, preliminary correlations, and proximate analyses of coal samples},
  author = {L.N. Roberts},
  year = {1989},
  doi = {10.3133/ofr89487},
  url = {https://pubs.usgs.gov/publication/ofr89487},
  note = {Source identifier: ofr89487}
}