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Conditions in the copper mines of Michigan;
hearings before a subcommittee... Sixty-third Congress, second session, pursuant to H. Res. 387, a resolution authorizing and directing the committee of mines and mining to make an investigation of conditions in the copper mines of Michigan. Feb. 16 [-25] 1914.



Corporate Author: United States.
Language(s): English
Published: Washington, Govt. print. off., 1914.
Subjects: Copper mines and mining > Copper mines and mining / Michigan.
Note: Paged continuously.
Physical Description: Pt. 2-3 23 cm.
Locate a Print Version: Find in a library


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