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Permissible mine equipment approved.

List of permissible mine equipment

Some notes on underground transportation in metal mines

List of permissible mine equipment

List of permissible mine equipment

List of permissible mine equipment

List of permissible mine equipment

Aerial tramways in the metal-mining industry.

List of permissible mine equipment approved during 1937

Aerial tramways in the metal-mining industry :construction and operating costs

Possible hazards attending the use of engines operated on butane fuel in mining and tunneling

Permissible mine equipment approved during 1944

Diesel equipment in underground mining

Permissible mine equipment approved to January 1, 1947 :with appended list of available flame-lamp fuels

Permissible mine equipment approved during the calendar year 1947 :supplement to Information Circular 7432

Summary of published information on large-capacity compressed-air receivers for underground mines

Permissible mining-loading equipment

Zinc-ore mining and milling methods, Piquette Mining and Milling Co., Tennyson, Wis.

Permissible mine equipment approved during 1957-58

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

Mobile diesel-powered equipment for noncoal mines approved by the Bureau of Mines, 1951-62

Permissible mine equipment approved by the bureau of mines during 1953-62 :a supplement to Bulletin 543

Permissible mine equipment approved by the Bureau of Mines during 1963-64 :a supplement to Bulletin 543 and Information Circular 8220

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

Permissible mine equipment approved by the Bureau of Mines during 1967-68 :a supplement to Bulletin 543 and Information circulars 8220, 8299, and 8372

Overcoring equipment and techniques used in rock stress determination

Mine power systems research(in four parts) :

Mine power systems research(in four parts) :

Mine power systems research(in four parts) :

Water-jet-assisted roadheaders


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