@misc{indiciae6bd74a95f05d, title = {Mineral resource potential map of the Bald Rock and Middle Fork Feather River Roadless Areas, Butte and Plumas Counties, California}, author = {M. L. Sorensen and Andrew Griscom and M. D. Conyac and A. R. Buehler and D. E. Graham and T. M. Sweeney}, year = {1983}, doi = {10.3133/mf1427b}, url = {https://pubs.usgs.gov/publication/mf1427B}, note = {Source identifier: mf1427B} }