Explosives
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"April 3, 1966, Leadville, Colo. Homestake Dam. M-K Co., Inc. [Morrison-Knudsen]. Coyote Shot, 850,000 cubic yards."
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"Red line [midfield, left], estimated shot area; 3,800' of coyote hole explosives in 4 months."
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"Homestake Dam. The material from the last Coyote-hole blast is about cleaned up. The shovels are working on the far end of the blast zone. The lower quarry bench and ramp is now covered with water. The upper two benches have been dug out by working from 2 headings on each level and now are used as the haul roads for the far end. Aug. 1966."
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"Homestake Dam first coyote-hole blast to open the quarry for the dam's rock fill material; consumed 13 ton of explosives."
