@misc{indiciae4e9ef63aa31d,
  title = {Principal facts for gravity stations in the Winchester Mountains Study Area and vicinity, Cochise and Graham counties, Arizona},
  author = {R.A. Martin and M.S. Sherrard and G. A. Abrams},
  year = {1982},
  doi = {10.3133/ofr82951},
  url = {https://pubs.usgs.gov/publication/ofr82951},
  note = {Source identifier: ofr82951}
}