@misc{indiciae137100244cd0,
  title = {Preliminary geologic map of the Gregerson Basin Quadrangle, Lincoln County, Nevada},
  author = {R. B. Scott and W. C. Swadley and W. R. Page and S.W. Novak},
  year = {1990},
  doi = {10.3133/ofr90646},
  url = {https://pubs.usgs.gov/publication/ofr90646},
  note = {Source identifier: ofr90646}
}