@misc{indiciae1320ebb85073,
  title = {Statistical analysis, and listing of spectrographic analyses of alluvial heavy-mineral concentrates and sieved stream-sediment samples, Dragoon Mountains Roadless Area and contiguous areas, Cochise County, Arizona},
  author = {K. C. Watts and M. S. Erickson and G.W. Day and J.R. Hassemer},
  year = {1984},
  doi = {10.3133/ofr8413},
  url = {https://pubs.usgs.gov/publication/ofr8413},
  note = {Source identifier: ofr8413}
}