@misc{indiciae9afaadd05c18,
  title = {Mineral resources of the Bull Gulch Wilderness Study Area, Eagle County, Colorado},
  author = {Sandra J. Soulliere and Mark A. Arnold and Jerry R. Hassemer and Ronny A. Martin and Steven E. Kluender and Jeanne E. Zelten},
  year = {1986},
  doi = {10.3133/b1717c},
  url = {https://pubs.usgs.gov/publication/b1717C},
  note = {Source identifier: b1717C}
}