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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

Published Year

• 1940-1949 (3)

Subject

• Blasting. (3) *
• Mine safety. (3)

Author

• Johnson, John A. (3) *
• Agnew, Wing G. (2)

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