Browse TRAIL Inventories

Metal Mine Ventilation and its Relation to Safety and Efficiency in Mining Operations

Comparison of Gas Masks, Hose Masks, and Oxygen-Breathing Apparatus

The National Safety Competition of 1929

Stemming in Metal Mines. Progress Report 2

Stemming in Metal Mines. Progress Report 5: Comparison of Dust and Gases Produced from Blasting Charges of Dynamite in Drill Holes, in Bombs, and in Mud-Cap Shots

Stemming in Metal Mines. Progress Report 3: Relative Advantages and Disadvantages of Different Types of Stemming and No Stemming When Used with 60 Percent Ammonia Gelatin Dynamite at the Mount Weather Testing Adit

National Safety Competition of 1942

Some Innovations in Equipment For Scaling High Roofs and Mine Walls

Respiratory Protective Devices Approved by the Bureau of Mines as of December 31, 1968: A Revision of Information Circular 8281


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