@misc{indiciae21610c9ff1b2,
  title = {Geologic map of the Murphys Well, Pilot Cone, Copper Mountain, and Poinsettia Spring quadrangles, Mineral County, Nevada},
  author = {E. B. Ekren and F.M. Byers},
  year = {1986},
  doi = {10.3133/i1576},
  url = {https://pubs.usgs.gov/publication/i1576},
  note = {Source identifier: i1576}
}