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

Bulletin 1027- F
By:  and 

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Publication type Report
Publication Subtype USGS Numbered Series
Title Copper deposits of part of Helvetia mining district, Pima County, Arizona
Series title Bulletin
Series number 1027
Chapter F
DOI 10.3133/b1027F
Edition -
Year Published 1955
Language ENGLISH
Description p. 301-323
Larger Work Type Report
Larger Work Subtype USGS Numbered Series
Larger Work Title Contributions to economic geology, 1955
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