@misc{indiciae114fc0d7c37c,
  title = {Coal drilling during 1979 in Williams County, North Dakota, and in Beaverhead, Big Horn, Dawson, Fallon, Garfield, McCone, Musselshell, Powder River, Prairie, Roosevelt, Rosebud, and Wibaux Counties, Montana},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1981},
  doi = {10.3133/ofr81314},
  url = {https://pubs.usgs.gov/publication/ofr81314},
  note = {Source identifier: ofr81314}
}