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Mine explosions, mine fires, and miscellaneous accidents in the United States during the fiscal year ended June 30, 1930

Published Year

• 1930-1939 (1)

Subject

• Mine explosions--United States--Statistics (1)
• Mine safety--United States--Statistics (1) *

Author

• Harrington, D. (1)
• Owings, C. W. (1) *

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