TY - RPRT TI - Geochemical map of the Mount Eddy and Castle Crags Roadless Areas, Shasta, Siskiyou, and Trinity counties, California AU - J.A. Peterson AU - M.E. Caress PY - 1983 DO - 10.3133/mf1529a UR - https://pubs.usgs.gov/publication/mf1529A ID - mf1529A ER -