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Work of the Safety Division of the United States Bureau of Mines :fiscal year 1930

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

Published Year

• 1930-1939 (2)

Subject

• Mine safety--United States--Statistics (2) *
• Mine explosions--United States--Statistics (1)

Author

• Harrington, D. (2) *
• Owings, C. W. (1)

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