@misc{indiciae5b7dc46be1e1,
  title = {Mineral resource potential of the Silver City 1 °X 2° quadrangle, New Mexico-Arizona; Map B, copper resource potential},
  author = {Donald H. Richter and William N. Sharp},
  year = {1984},
  doi = {10.3133/ofr84629b},
  url = {https://pubs.usgs.gov/publication/ofr84629B},
  note = {Source identifier: ofr84629B}
}