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 Country: United States
 Serial/Series Title: Stemming in Metal Mines
 Collection: Technical Report Archive and Image Library
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

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

Date: February 1942
Creator: Johnson, John A.; Agnew, Wing G. & Mosier, McHenry
Description: Report issued by the U.S. Bureau of Mines on the progress made in metal-mine stemming. Previous reports have been presented impartially, or under different procedures. This report contains updated progress results from current procedures and mine conditions. The report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Stemming in Metal Mines. Progress Report 2

Stemming in Metal Mines. Progress Report 2

Date: August 1940
Creator: Johnson, John A.; Agnew, Wing G. & Mosier, McHenry
Description: Report issued by the U.S. Bureau of Mines on the progress made in metal-mine stemming. Different types of stemming methods and testing procedures are presented. This report includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department