Prevention of fatalities and injuries from falling roof, ribs, and faces. Additional funds would be added to base program to accelerate the development of reliable means for detecting unstable ground ahead of mining and for calculating support requirements... Oversight on the Bureau of Mines Budget: Hearing Before the Subcommittee on ... - Page 75 by United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Mines and Mining - 1976 - 90 pages Full view -
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