@misc{indiciae916bbd53335e,
  title = {Preliminary map showing availability of ground water from glacial-drift aquifers in Sheridan County, central North Dakota},
  author = {M. R. Burkart and P.G. Randich},
  year = {1980},
  doi = {10.3133/ofr80504w},
  url = {https://pubs.usgs.gov/publication/ofr80504W},
  note = {Source identifier: ofr80504W}
}