@misc{indiciae60333f243a99,
  title = {Geologic map of Clark County, Nevada},
  author = {Ben Bowyer and E. H. Pampeyan and C.R. Longwell},
  year = {1958},
  doi = {10.3133/mf138},
  url = {https://pubs.usgs.gov/publication/mf138},
  note = {Source identifier: mf138}
}