@misc{indiciae0692ee21c9d7,
  title = {Water-resources activities of the U.S. Geological Survey in North Dakota, fiscal year 1986},
  year = {1987},
  doi = {10.3133/ofr87530},
  url = {https://pubs.usgs.gov/publication/ofr87530},
  note = {Source identifier: ofr87530}
}