@misc{indiciaef74301f89d2d,
  title = {Mineral resource potential maps of the Maroon Bells-Snowmass Wilderness and additions, Gunnison and Pitkin counties, Colorado},
  author = {V. L. Freeman and D. L. Campbell and H. D. King and R.C. Weisner and C. L. Bieniewski},
  year = {1985},
  doi = {10.3133/mf1647a},
  url = {https://pubs.usgs.gov/publication/mf1647A},
  note = {Source identifier: mf1647A}
}