Conditions in the copper mines of Michigan :
hearings before a subcommittee of the Committee on Mines and Mining, House of Representatives, Sixty-third Congress, second session, pursuant to H. Res. 387, a resolution authorizing and directing the Committee on Mines and Mining to make an investigation of conditions in the copper mines of Michigan.

Description

Corporate Author

United States. Congress.

Language(s)

English

Published

Washington : G.P.O., 1914.

Subjects

Copper mines and mining > Copper mines and mining / Michigan > Copper mines and mining / Michigan / Upper Peninsula.

Note

Hearings held February 9-March 23, 1914.

Physical Description

7 v. ; 23 cm.

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