@misc{indiciae8f35bdc63194,
  title = {Coordinates for and analytical values of 43 rock, and 19 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 longitudes of 112 degrees 00'00" and 112 degrees 30'00" W.},
  author = {W. L. Campbell and S.K. McDanal and R. T. Hopkins},
  year = {1982},
  doi = {10.3133/ofr82617e},
  url = {https://pubs.usgs.gov/publication/ofr82617E},
  note = {Source identifier: ofr82617E}
}