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Milestones in mine-safety legislation

Federal placer-mining laws and regulations

Federal placer-mining laws and regulations,

Published Year

• 1930-1939 (3) *

Subject

• Mining law--United States (3) *
• Placer mining (2)
• Mine safety--Law and legislation--Great Britain (1)
• Mine safety--Law and legislation--United States (1)
• Mining law--Great Britain (1)

Author

• Jackson, Charles Freeman, (2)
• Ilsley, L. C. (1)
• Johnson, Fred W. (1)
• Johnson, Frederick William, (1)

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