@misc{indiciaee5467a13a22d,
  title = {Mineral resource potential map of the Sangre de Cristo Wilderness study area, south-central Colorado},
  author = {B. R. Johnson and D. A. Lindsey and C. E. Ellis and B.J. Hannigan and J. R. Thompson},
  year = {1984},
  doi = {10.3133/mf1635a},
  url = {https://pubs.usgs.gov/publication/mf1635A},
  note = {Source identifier: mf1635A}
}