@misc{indiciae1f7a130136e5,
  title = {Principal facts for gravity stations in the western part of the Tonopah 2 degrees Sheet, Nevada},
  author = {D.L. Healey},
  year = {1976},
  doi = {10.3133/ofr7659},
  url = {https://pubs.usgs.gov/publication/ofr7659},
  note = {Source identifier: ofr7659}
}