@misc{indiciae80cbaa9acd0e,
  title = {Mineral resource potential of the Silver City 1° x 2° quadrangle, New Mexico - Arizona; map D - Zinc and lead resource potential},
  author = {Donald H. Richter and William N. Sharp},
  year = {1984},
  doi = {10.3133/ofr84629d},
  url = {https://pubs.usgs.gov/publication/ofr84629D},
  note = {Source identifier: ofr84629D}
}