@misc{indiciae79170205be71,
  title = {Coordinates for and analytical values of 109 rock, 377 stream sediment and soil, and 237 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 30'00" and 47 degrees 00'00" N., and the longitu},
  author = {W. L. Campbell and S.K. McDanal and R. T. Hopkins},
  year = {1982},
  doi = {10.3133/ofr82617c},
  url = {https://pubs.usgs.gov/publication/ofr82617C},
  note = {Source identifier: ofr82617C}
}