@misc{indiciae4b64592e0be8,
  title = {Geology of Nevada; a digital representation of the 1978 geologic map of Nevada},
  author = {Robert M. Turner and W.J. Bawiec and Russell A. Ambroziak},
  year = {1991},
  doi = {10.3133/ds2},
  url = {https://pubs.usgs.gov/publication/ds2},
  note = {Source identifier: ds2}
}