@misc{indiciaefc36fbd08b30,
  title = {Map showing mineral exploration potential in the Death Valley quadrangle, California and Nevada},
  author = {R. M. Smith},
  year = {1977},
  doi = {10.3133/mf873},
  url = {https://pubs.usgs.gov/publication/mf873},
  note = {Source identifier: mf873}
}