@misc{indiciaead819b9bebba,
  title = {Analytical results and sample locality map for 340 rock, 322 stream-sediment and soil, and 263 panned-concentrate samples from the Sapphire Wilderness Study Area, Granite and Ravalli counties, Montana},
  author = {W. L. Campbell and R.T. Hopkins and G. K. Lee and J.C. Antweiler},
  year = {1983},
  doi = {10.3133/ofr83196},
  url = {https://pubs.usgs.gov/publication/ofr83196},
  note = {Source identifier: ofr83196}
}