@misc{indiciae203e22b074f6,
  title = {Maps and diagrams showing thickness and morphology of the Paleocene Canyon Coal Bed in the northern Powder River basin, western part of the Broadus 30' x 60' Quadrangle, Montana and Wyoming},
  author = {Laura R. Biewick},
  year = {1994},
  doi = {10.3133/coal143a},
  url = {https://pubs.usgs.gov/publication/coal143A},
  note = {Source identifier: coal143A}
}