@misc{indiciaeb5b6dde0932d,
  title = {Coal resource occurrence and coal development potential maps of the Griffin Coulee SW Quadrangle, Rosebud and Treasure Counties, Montana},
  author = {Colorado School of Mines Research Institute},
  year = {1978},
  doi = {10.3133/ofr78647},
  url = {https://pubs.usgs.gov/publication/ofr78647},
  note = {Source identifier: ofr78647}
}