@misc{indiciaed9cf1bf94630,
  title = {Preliminary geologic map of the Deering quadrangle, North Dakota},
  author = {Richard W. Lemke and J. Hiram Smith},
  year = {1947},
  doi = {10.3133/ofr478},
  url = {https://pubs.usgs.gov/publication/ofr478},
  note = {Source identifier: ofr478}
}