TY  - RPRT
TI  - Mineral resources and resource potential map of the Pyramid Peak Roadless Area, Riverside County, California
AU  - J.P. Calzia
PY  - 1988
DO  - 10.3133/mf1999
UR  - https://pubs.usgs.gov/publication/mf1999
ID  - mf1999
ER  -