Search U.S. government technical reports digitized or harvested by TRAIL.

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Published Year

• 1920-1929 (9)
• 1930-1939 (9)

Subject

• Coal mine accidents (18) *
• Coal mines and mining--United States (9)
• Explosives (8)
• Mine safety (5)
• Bituminous coal (1)
• Bituminous coal mines and mining (1)
• Bituminous coal--Pennsylvania (1)
• Coal mine accidents--Statistics (1)
• Mine accidents (1)

Author

• Adams, William W. (18) *
• Lawrence, T. D. (4)
• Gerry, L. S. (2)
• Getzin, E. E. (2)
• White, D. R. (1)

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