Molybdenite near Ramona, San Diego County, California

F. C. Calkins

doi:10.3133/b640D

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Molybdenite near Ramona, San Diego County, California

Bulletin 640-D

By: F. C. Calkins

https://doi.org/10.3133/b640D

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Document: Report (pdf)
Larger Work: This publication is Chapter D of Contributions to economic geology (short papers and preliminary reports), 1916 : Part 1. - Metals and nonmetals except fuels
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Abstract

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Additional publication details
Publication type	Report
Publication Subtype	USGS Numbered Series
Title	Molybdenite near Ramona, San Diego County, California
Series title	Bulletin
Series number	640
Chapter	D
DOI	10.3133/b640D
Year Published	1917
Language	English
Publisher	U.S. Geological Survey
Description	10 p.
First page	73
Last page	82