Search U.S. government technical reports digitized or harvested by TRAIL.
The effect of stemming on the efficiency of explosives
Magazines and thaw houses for explosives
Investigations of fuse and miners' squibs
Permissible explosives tested prior to March 1, 1913
Production of explosives in the United States during the calendar year 1913
Production of explosives in the United States during the calendar year 1912
Permissible explosives tested prior to January 1, 1914
Permissible explosives tested prior to March 1, 1915
Sensitiveness of explosives to frictional impact
Development of liquid oxygen explosives during the war
Picric acid as a blasting agent
Permissible explosives, mining equipment, and apparatus, approved prior to March 15, 1922
Permissible explosives, mining equipment and apparatus approved prior to January 1, 1923
Progress of investigations on liquid-oxygen explosives
Permissible explosives, mining equipment, and apparatus approved prior to January 1, 1925
Accidents due to explosives in metal mines of the Southwest, as shown by records in Arizona
Fatal accident from entering unventilated raise after blasting
Permissible explosives defined
Production of explosives in the United States :during the calendar year 1927
Permissible explosives :a study of test data
Dynamites :their propulsive strength, rate of detonation, and poisonous gases evolved
Sensitization of ammonium nitrate by nitrostarch
Production of explosives in the United States :during the calendar year 1928
Official changes in the active list of permissible explosives and blasting devices for August, 1931
Active list of permissible explosives and blasting devices approved prior to June 30. 1931.
Production of explosives in the United States during the calendar year 1930
Official changes in the active list of permissible explosives and blasting devices for October, 1931
Explosive shattering of minerals as a substitute for crushing preparatory to ore dressing
Active list of permissible explosives and blasting devices approved prior to June 30, 1932
Production of explosives in the United States :during the calendar year 1931
Production of explosives in the United States :during the calendar year 1932
Active list of permissible explosives and blasting devices approved prior to June 30, 1933.
Procedure for testing explosives for acceptability for use in forest service work
Preventing accidents by the proper use of permissible explosives
Active list of permissible explosives and blasting devices approved prior to July 31, 1936.
List of permissible mine equipment :approved to January 1, 1937