@misc{indiciaed6a3d4b8caab,
  title = {Geologic map of the New Salem quadrangle, Morton County, North Dakota},
  author = {Henry L. Smith},
  year = {1966},
  doi = {10.3133/ofr66125},
  url = {https://pubs.usgs.gov/publication/ofr66125},
  note = {Source identifier: ofr66125}
}