@misc{indiciae950ed561e410, title = {Analytical results and sample locality maps of stream-sediment, heavy-mineral-concentrate, and rock samples from the Negro Bill Canyon (UT-060- 138) and the Mill Creek Canyon (UT-060-139A) Wilderness Study Areas, Grand County, Utah}, author = {J. H. Bullock and H. N. Barton and T. A. Roemer and P. L. Hageman and D.L. Fey}, year = {1990}, doi = {10.3133/ofr90464}, url = {https://pubs.usgs.gov/publication/ofr90464}, note = {Source identifier: ofr90464} }