@misc{indiciaea59f10f0c5e9,
  title = {Principal facts of gravity observations in the Dragoon Mountains Further Planning Area (RARE II) and Gila-San Francisco Wilderness Study Area, Arizona},
  author = {S.E. Hay and D. P. Klein and F. M. Boler and M. Brickey},
  year = {1981},
  doi = {10.3133/ofr81849},
  url = {https://pubs.usgs.gov/publication/ofr81849},
  note = {Source identifier: ofr81849}
}