@misc{indiciae18ca99cba670,
  title = {Geochemical halos in the Silver City mining region and adjacent areas, Grant County, New Mexico},
  author = {K. C. Watts and Jerry R. Hassemer and David F. Siems},
  year = {1984},
  doi = {10.3133/b1534},
  url = {https://pubs.usgs.gov/publication/b1534},
  note = {Source identifier: b1534}
}