@misc{indiciaeaae2533917ab,
  title = {Some aspects of the development of ground water in the United States and in North Dakota},
  author = {P.D. Akin},
  year = {1950},
  doi = {10.3133/ofr5053},
  url = {https://pubs.usgs.gov/publication/ofr5053},
  note = {Source identifier: ofr5053}
}