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Year
1915
TO
1915
School Or College
College of Mines & Earth Sciences
1
Department
Metallurgical Engineering
1
Publication Type
thesis
1
Subject
Copper mines and mining
1
Ray Consolidated Copper Company
1
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"College of Mines & Earth Sciences"
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"ir_etd"
Subject:
"Ray Consolidated Copper Company"
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Author
Title
Subject
Date
Publication Type
1
Balckner, Lester A.
"Ray system" of underground mining
Ray Consolidated Copper Company; Copper mines and mining
1915-02
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