TY  - RPRT
TI  - Summary geochemical maps for samples of rock, stream sediment, and nonmagnetic heavy-mineral concentrate, Pyramid Roadless Area, El Dorado County, California
AU  - M.A. Chaffee
PY  - 1986
DO  - 10.3133/mf1616b
UR  - https://pubs.usgs.gov/publication/mf1616B
ID  - mf1616B
ER  -