TY - RPRT TI - Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, and rock samples from the Twin Peaks (CA-020-619A) Wilderness Study Area, Lassen County, California, and Washoe County, Nevada AU - B. M. Adrian AU - J. G. Frisken AU - D.L. Fey AU - M.J. Malcolm AU - C. D. Taylor PY - 1987 DO - 10.3133/ofr87266 UR - https://pubs.usgs.gov/publication/ofr87266 ID - ofr87266 ER -