@misc{indiciae3096d41228c4,
  title = {Geologic map of the Spruce Mountain 4 Quadrangle, Elko County, Nevada},
  author = {G.D. Fraser and K. B. Ketner and M. C. Smith},
  year = {1986},
  doi = {10.3133/mf1846},
  url = {https://pubs.usgs.gov/publication/mf1846},
  note = {Source identifier: mf1846}
}