@misc{indiciaedba5a7d4854d,
  title = {Geology and coal resources of the Minot region, North Dakota},
  author = {David A. Andrews},
  year = {1939},
  doi = {10.3133/b906b},
  url = {https://pubs.usgs.gov/publication/b906B},
  note = {Source identifier: b906B}
}