@misc{indiciaed59b988471c9,
  title = {Coordinates for and analytical values of 30 rock, and 7 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 00'00"DP and 46 degrees 30'00" N., and the longitudes of 112 degrees 00'00" and 1},
  author = {W. L. Campbell and S.K. McDanal and R. T. Hopkins},
  year = {1982},
  doi = {10.3133/ofr82617i},
  url = {https://pubs.usgs.gov/publication/ofr82617I},
  note = {Source identifier: ofr82617I}
}