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Copper deposits of a part of the Helvetia mining district, Arizona

Open-File Report 47-15
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Publication type Report
Publication Subtype USGS Numbered Series
Title Copper deposits of a part of the Helvetia mining district, Arizona
Series title Open-File Report
Series number 47-15
DOI 10.3133/ofr4715
Edition -
Year Published 1947
Language ENGLISH
Description 35 p.; 5 maps