@misc{indiciae9331e5d4084c,
  title = {Index of granitic rock masses in the state of Nevada},
  author = {Florian Maldonado and Richard W. Spengler and W. F. Hanna and G. L. Dixon},
  year = {1988},
  doi = {10.3133/b1831},
  url = {https://pubs.usgs.gov/publication/b1831},
  note = {Source identifier: b1831}
}