@misc{indiciaee54ddae58b32,
  title = {Preliminary ground-water availability map of Eddy and Foster Counties, North Dakota},
  author = {Henry Trapp},
  year = {1967},
  doi = {10.3133/ofr67219},
  url = {https://pubs.usgs.gov/publication/ofr67219},
  note = {Source identifier: ofr67219}
}