@misc{indiciaef3006d8fd584,
  title = {Lexicon of geologic names of the United States for 1968-1975},
  author = {Gwendolyn Lewise Werth Luttrell and M.L. Hubert and W. B. Wright and V.M. Jussen and R. W. Swanson},
  year = {1981},
  doi = {10.3133/b1520},
  url = {https://pubs.usgs.gov/publication/b1520},
  note = {Source identifier: b1520}
}