TY  - BOOK
T1  - Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado /
DA  - 1993.
CY  - Washington :
AU  - Foley, N. K.
VL  - 1537
CN  - QE75
CN  - QE390.2.G65
CN  - QE75
PB  - U.S. G.P.O.,
PP  - Washington :
PY  - 1993.
ID  - 226828
KW  - Gold ores
KW  - Ore deposits
TI  - Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado /
ER  -