Eliminating Waste in Blasting - d77bbb969d4722eefdd6bb62c74c8e6e (page 50)

Booklet describing methods for eliminating waste in blasting while mining, quarrying, or other work requiring explosives. Recommendations are made after studies completed by the Hercules Powder Company at the Copper Queen mine in Bisbee, Arizona. Provides suggestions for proper planning and drilling as well as explosives selection, distribution, and firing. Work includes several photographic prints and advertisements for Hercules Powder products and services. Back cover includes an illustration containing unsubstantiated and stereotyped imagery of ancient Jewish or Egyptian people and possibly depicting enslavement.