@misc{indiciae34f90219efed,
  title = {Experimental digital shaded-relief maps of Nevada},
  author = {Kathleen Edwards and R. M. Batson},
  year = {1990},
  doi = {10.3133/i1849},
  url = {https://pubs.usgs.gov/publication/i1849},
  note = {Source identifier: i1849}
}