TY  - RPRT
TI  - Distribution of selected trace and major elements around the massive sulfide deposit at the Penn mine, California
AU  - J.A. Peterson
PY  - 1988
DO  - 10.2113/gsecongeo.83.2.419
UR  - https://pubs.usgs.gov/publication/70014135
ID  - 70014135
ER  -