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Mine explosions in the United States during the fiscal year ending June 30, 1928

Mine explosions in the United States during the fiscal year ending June 30, 1929

Published Year

• 1920-1929 (2) *

Subject

• Mine explosions--United States (2) *

Author

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

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