@misc{indiciae953f7dbf0e2b,
  title = {Preliminary map showing availability of ground water from glacial-drift aquifers in Ransom and Sargent Counties, southeastern North Dakota},
  author = {C. A. Armstrong},
  year = {1980},
  doi = {10.3133/ofr80505w},
  url = {https://pubs.usgs.gov/publication/ofr80505W},
  note = {Source identifier: ofr80505W}
}