TY  - BOOK
AU  - Foley,N.K.
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
T2  - U.S. Geological Survey professional paper
AV  - QE390.2.G65 M56 1993
U1  - 553.41/09788/38 20
PY  - 1993///
CY  - Washington
PB  - U.S. G.P.O.
KW  - Gold ores
KW  - Geology
KW  - Colorado
KW  - Mineral County
KW  - Local
KW  - Ore deposits
N1  - Includes bibliographical references (p. 37-39)
ER  -