Mineralogy, mineral chemistry, and paragenesis of gold, silver and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado.  by Nora K. Foley [and others]
Contributors: Foley, N.K.
Publisher: Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 39
Subjects: Ore deposits - Colorado - Mineral County
Notes: 11