Search U.S. government technical reports digitized or harvested by TRAIL.
Method of increasing lump-coal production with especial reference to Southern Illinois
Some physical properties and characteristics of fuse
Coal-mine explosives :their characteristics, selection and safe use
Active list of permissible explosives and blasting devices approved prior to June 30, 1941
Active list of permissible explosives and blasting devices approved prior to June 30, 1942
Active list of permissible explosives and devices approved previous to June 30, 1943
Detonators:initiating efficiency by the miniature-cartridge test
Active list of permissible explosives and blasting devices approved previous to December 31, 1945