Hearings before subcommittee pursuant to H. R. 387, authorizing Committee on Mines and Mining to make investigation of conditions in copper mines of Michigan.
Publication Title:
Hearings before subcommittee pursuant to H. R. 387, authorizing Committee on Mines and Mining to make investigation of conditions in copper mines of Michigan.
Display Title:
Hearings before subcommittee pursuant to H. R. 387, authorizing Committee on Mines and Mining to make investigation of conditions in copper mines of Michigan.
Corporate Agency Authors:
Mines and Mining Committee, House of Representatives, and Congress