@misc{indiciae6f4388a965ac,
  title = {Hydrogeologic framework of the uppermost principal aquifer systems in the Williston and Powder River structural basins, United States and Canada},
  author = {Joanna N. Thamke and Gary D. LeCain and Derek W. Ryter and Roy Sando and Andrew J. Long},
  year = {2014},
  doi = {10.3133/sir20145047},
  url = {https://pubs.usgs.gov/publication/sir20145047},
  note = {Source identifier: sir20145047}
}