@misc{indiciae362e70cf4b38,
  title = {Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, and rock samples from the Gunnison Gorge Wilderness Study Area (CO-030-388), Delta and Montrose counties, Colorado},
  author = {J. H. Bullock and H. N. Barton and Paul H. Briggs and T. A. Roemer},
  year = {1989},
  doi = {10.3133/ofr89439},
  url = {https://pubs.usgs.gov/publication/ofr89439},
  note = {Source identifier: ofr89439}
}