TY - RPRT TI - Mineral resource potential map of the Bald Rock and Middle Fork Feather River Roadless Areas, Butte and Plumas Counties, California AU - M. L. Sorensen AU - Andrew Griscom AU - M. D. Conyac AU - A. R. Buehler AU - D. E. Graham AU - T. M. Sweeney PY - 1983 DO - 10.3133/mf1427b UR - https://pubs.usgs.gov/publication/mf1427B ID - mf1427B ER -