@misc{indiciae5e4f45533662,
  title = {Coal exploratory holes drilled in 1978-79 in the Birney 1° x 1/2° quadrangle, Big Horn and Rosebud Counties, Montana, for coal beds in the Tongue River Member of the Paleocene Fort Union Formation},
  author = {William Craven Culbertson and T. M. Gaffke and G. Correia},
  year = {1980},
  doi = {10.3133/ofr8055},
  url = {https://pubs.usgs.gov/publication/ofr8055},
  note = {Source identifier: ofr8055}
}