Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado /
Foley, N. K.
Geological Survey (U.S.)
[Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Map Distribution,
1993.
Shipping list no.: 93-0370-P.
Includes bibliographical references (p. 37-39).
Gold ores
Ore deposits