Blasting day never short on excitement | Wadena PJ
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Blasting day never short on excitement

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Two well drilling rigs worked steadily in the sweltering Iowa heat, up on the top of the 60-foot-high quarry cliff face. They drilled rows of 60-foot-deep holes, into which we would pack three-inch by two-foot sticks of dynamite on blast day. These explosives would then, when detonated, blast the limestone cliff face loose so that the smaller rock could be picked up by a huge loader and dumped into a rock crusher.

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