@misc{indiciaed8877308ac3c,
  title = {Principal facts for gravity stations in the Elko, Steptoe Valley, Coyote Spring Valley, and Sheep Range areas, eastern and southern Nevada},
  author = {D.L. Berger and D. H. Schaefer and E. A. Frick},
  year = {1990},
  doi = {10.3133/ofr8930},
  url = {https://pubs.usgs.gov/publication/ofr8930},
  note = {Source identifier: ofr8930}
}