Copper deposits of part of Helvetia mining district, Pima County, Arizona /

Bibliographic Details
Main Authors:	Creasey, S. C. (Saville Cyrus), 1917- (Author), Quick, George L. (Author)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1955.
Series:	Geological Survey bulletin ; 1027-F. Contributions to economic geology.
Subjects:	Copper ores > Arizona > Pima County. Mines and mineral resources > Arizona > Pima County. Copper ores. Mines and mineral resources. Arizona > Pima County.
Online Access:	https://purl.fdlp.gov/GPO/gpo63394

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