	*(1979) Colorado II. The Mineralogical Record* Vol. 10 (6) The Mineralogical Record, Inc.**	Journal (issue)
	Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ............................................. 339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349...AMAZONITE with smoky quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar...Natural History for conceiving the idea of a second Colorado issue and for helping a great deal in bringing
	*(1901) A report on the economic geology of the Silverton quadrangle, Colorado. Bulletin* Vol. 182. US Geological Survey doi:10.3133/b182**	Report (volume)
	REPORT ECONOMIC GEOLOGT 7 SILVERTON QUADRANGLE, COLORADO FREDERICK RANSOME WASHINGTON GOVERNMENT PRINTING...Whitman Cross........................... ........ San Juan volcanic area .......................... .......the volcanic area ......... ...........:..... San Juan formation . ...... ...'......--...-............................./................:. Methods of mining and treatment of ores....-....--. ...... ........-.................... 161 Lodes of Hazelton Mountain.................. ................ ..........
	*Holmes, Richard Walker, Kennedy, Marrianna B. (1983) Mines and Minerals of the Great American Rift (Colorado-New Mexico). Van Nostrand Reinhold Co., New York.*	Book
	MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...minerals of the Great American Rift in New Mexico and Colorado. Great American Rift is the name we use for a
	*(1961) Minerals of Colorado; a 100-year record. Bulletin* Vol. 1114. US Geological Survey doi:10.3133/b1114**	Report (volume)
	Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT

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Quartz from Neigold claim, Galena Mountain, Howardsville, Animas Mining District, San Juan County, Colorado, USA

Quartz from
Neigold claim, Galena Mountain, Howardsville, Animas Mining District, San Juan County, Colorado, USA