@misc{indiciae024f77fa0a44,
  title = {Geology and ground-water hydrology of the Heart River irrigation project and the Dickinson area, North Dakota},
  author = {Paul C. Tychsen and Herbert A. Swenson},
  year = {1950},
  doi = {10.3133/cir34},
  url = {https://pubs.usgs.gov/publication/cir34},
  note = {Source identifier: cir34}
}