@misc{indiciae1b8329123b39,
  title = {Geologic mapping of the Vista and Steamboat 7.5-minute quadrangles, Nevada},
  author = {Dennis T. Trexler and Robert C. Pease},
  year = {1981},
  doi = {10.3133/ofr81832},
  url = {https://pubs.usgs.gov/publication/ofr81832},
  note = {Source identifier: ofr81832}
}