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Underground loading devices in metal mines

Conditions in the feldspar industry

List of permissible mine equipment

List of permissible mining equipment

An automatic electric man-hoist for slopes or inclines

Some notes on underground transportation in metal mines

List of permissible mine equipment

List of permissible mine equipment

Compressed air for operating modern coal-mining 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

Diesel engines underground.

Diesel engines underground.

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

Diesel engines underground.

Diesel engines underground.

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

Permissible mine equipment approved during 1944

Use of scrapers and other light earth-moving equipment in bituminous-coal strip mining

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

Diesel engines underground.

Performance of a diesel mine locomotive

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

A hydraulic-powered platform for scaling high backs and walls

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

Factors influencing the design of hydraulic backfill systems (in two parts).

Factors influencing the design of hydraulic backfill systems (in two parts).

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

Nonuniform radial loads applied to the boundary of a circular hole in an infinite plate

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

Tunnel boring technology :disk cutter experiments in sedimentary and metamorphic rocks

Tunneling machine research :development of an experimental full-scale research rock cutting device

Tunneling machine research :interaction between disk-cutter grooves in rocks

Tunnel boring technology:disk cutter experiments in metamorphic and igneous rocks

Tunneling machine research :size distribution of rock fragments produced by rolling disk cutters

Overcoring equipment and techniques used in rock stress determination

Drillability determination :a drillability index for percussion drills

Mine power systems research(in four parts) :

Mine power systems research(in four parts) :

Mine power systems research(in four parts) :


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