TY  - RPRT
TI  - Silver depletion indicated by microanalysis of gold from placer occurrences, western United States
AU  - George A. Desborough
PY  - 1970
DO  - 10.2113/gsecongeo.65.3.304
UR  - https://pubs.usgs.gov/publication/70226299
ID  - 70226299
ER  -