@misc{indiciae6e5476d7c65d,
  title = {Results of geochemical investigations comparing samples of stream sediment, panned concentrate, and vegetation in the vicinity of the Caridad porphyry copper deposit, northern Sonora, Mexico},
  author = {Maurice A. Chaffee and J. Lee-Moreno and L.F. Caire and E. L. Mosier and J. G. Frisken},
  year = {1976},
  doi = {10.3133/ofr76559},
  url = {https://pubs.usgs.gov/publication/ofr76559},
  note = {Source identifier: ofr76559}
}