TY  - RPRT
TI  - Introduction to Geology and resources of gold, and geochemistry of gold
AU  - Daniel R. Shawe
AU  - Samuel B. Romberger
PY  - 1988
DO  - 10.3133/b1857a
UR  - https://pubs.usgs.gov/publication/b1857A
ID  - b1857A
ER  -