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Stemming in Metal Mines. Progress Report 2
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.
Date:
August 1940
Creator:
Johnson, John A.; Agnew, Wing G. & Mosier, McHenry
System:
The UNT Digital Library