@misc{indiciaed0bb35c4f1eb,
  title = {Chronology of diving activities and underground surveys in Devils Hole and Devils Hole Cave, Nye County, Nevada, 1950-86},
  author = {Ray J. Hoffman},
  year = {1988},
  doi = {10.3133/ofr8893},
  url = {https://pubs.usgs.gov/publication/ofr8893},
  note = {Source identifier: ofr8893}
}