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Official changes in the active list of permissible explosives and blasting devices for November, 1930

Official changes in the active list of permissible explosives and blasting devices for December, 1930

Recent developments in the mining industry

Official changes in the active list of permissible explosives and blasting devices for February, 1930

Official changes in the active list of permissible explosives and blasting devices for March, 1930

Official changes in the active list of permissible explosives and blasting devices for June, 1930

Official changes in the active list of permissible explosives and blasting devices for September, 1930

Official changes in the active list of permissible explosives and blasting devices for October, 1930

Men and mines

Official changes in the active list of permissible explosives and blasting devices for November, 1929

Official changes in the active list of permissible explosives and blasting devices for December, 1931

Official changes in the active list of permissible explosives and blasting devices for September, 1931 / by Scott Turner.

Official changes in the active list of permissible explosives and blasting devices for March, 1931

Official changes in the active list of permissible explosives and blasting devices for April, 1931

Official changes in the active list of permissible explosives and blasting devices for August, 1931

Official changes in the active list of permissible explosives and blasting devices for January, 1931

Official changes in the active list of permissible explosives and blasting devices for August, 1930

Official changes in the active list of permissible explosives and blasting devices for June, 1931

Official changes in the active list of permissible explosives and blasting devices for October, 1931

Official changes in the active list of permissible explosives and blasting devices for January, 1932

The mineral industry

Mining and technology graduates and their problems

Official changes in the active list of permissible explosives and blasting devices for February and March, 1932

Official changes in the active list of permissible explosives and blasting devices approved prior to January 31, 1933

Economic aspects of gold and silver

The present status of the mineral industry


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