Browse TRAIL Inventories

Permissible mine equipment approved during 1957-58

The National Safety Competitions of 1948-58

The National safety competition of 1959

Permissible mine equipment approved by the Bureau of Mines during 1959-60 :with appended lists of manufacturers of flame-resistant trailing cables and fire-resistant conveyor belts and holders of permits

The National safety competition of 1960

The National Safety Competition of 1961

Safety organization and activities of award-winning companies in metal and nonmetal mining industries

The National Safety Competition of 1962

Gas masks for respiratory protection against phosphine

Respiratory protective devices approved by the Bureau of Mines as of October 1, 1965

Methods and costs of constructing the underground facility of North American Air Defense Command at Cheyenne Mountain, El Paso County, Colo.

Research and technologic work at the Health and Safety Research and Testing Center :fiscal years 1960-65

Mobile diesel-powered transportation equipment for gassy noncoal mines and tunnels approved by the Bureau of Mines, 1961-66

An analysis of 44 recent fatal accidents with front-end loaders

Permissible mine equipment approved by the Bureau of Mines during 1965-66 :a supplement to Bulletin 543 and Information circulars 8220 and 8299


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