TY  - RPRT
TI  - Epithermal gold deposits; Part I
AU  - Roger P. Ashley
AU  - Mortimer H. Staatz
AU  - Robert C. Pearson
AU  - William C. Bagby
PY  - 1990
DO  - 10.3133/b1857h
UR  - https://pubs.usgs.gov/publication/b1857H
ID  - b1857H
ER  -