Pit & Quarry, January 2016

EVOLUTION SERIES DRI LLING AND BLASTING 1969 Mustang drills from Joy Manufacturing Co drilled holes to 6 in in diameter from a minimum of 10 degrees above horizontal to 15 degrees ahead of vertical Joy Manufacturing focused on construction and mining machines and handling systems in the 1960s and 1970s BLASTING IN ACTION Ed Garner a shooter at a quarry wires up a shot using Austin Powder Co explosives at a quarry The location and date of this photo are unknown Service WY15 Conveyor Belt Scale WY10 Conveyor Belt Scale WF10 Weigh Belt Feeder Innovative Weighing Solutions Reliable Products Dependable WP25 WEIGHT PROCESSOR RESET TOTAL YES NO AUTO SPAN PROGRAM MODE AUTO ZERO DISPLAY EDIT BELT SPEED TECNETICS INDUSTRIES INC ST PAUL MINNESOTA 1 800 536 4880 Control Gates HY15 Conveyor Belt Scale MODE TOTAL RATE Visit our Website or Call Today www tecweigh com 18005364880 20 PIT QUARRY January 2016 www pitandquarry com

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