@misc{indiciae16696c45e144,
  title = {Mineral resource potential of the Silver City 1° x 2° quadrangle, New Mexico - Arizona; Map I, tungsten and beryllium resource potential},
  author = {Donald H. Richter and William N. Sharp},
  year = {1984},
  doi = {10.3133/ofr84629i},
  url = {https://pubs.usgs.gov/publication/ofr84629I},
  note = {Source identifier: ofr84629I}
}