@misc{indiciae957f76b8bb10,
  title = {Principal facts for gravity stations in the lower San Francisco and Hells Hole study areas and vicinity, Greenlee County, Arizona, and Catron and Grant counties, New Mexico},
  author = {R.A. Martin and J. C. Wynn and G. A. Abrams},
  year = {1982},
  doi = {10.3133/ofr821076},
  url = {https://pubs.usgs.gov/publication/ofr821076},
  note = {Source identifier: ofr821076}
}