@misc{indiciae1d8edd2575d2,
  title = {Coal resources of the Fort Union Formation, Rattlesnake Butte, EMRIA Study Site, Stark, Billings, and Dunn Counties, North Dakota},
  author = {Mark A. Kirschbaum and Gary B. Schneider},
  year = {1981},
  doi = {10.3133/ofr81266},
  url = {https://pubs.usgs.gov/publication/ofr81266},
  note = {Source identifier: ofr81266}
}