@misc{indiciae4a01346c3ac3,
  title = {Analytical results for 130 rock, 135 stream-sediment and soil, and 110 panned-concentrate samples from the Rattlesnake Wilderness Study Area, Missoula County, Montana},
  author = {W. L. Campbell and S.K. McDanal and R. T. Hopkins},
  year = {1981},
  doi = {10.3133/ofr811219},
  url = {https://pubs.usgs.gov/publication/ofr811219},
  note = {Source identifier: ofr811219}
}