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UndergroundShotcrete in North American Underground Mines: Yesterday, Today and Tomorrow

Mike Rispin and John Brooks

Carl Akeley began the process of guniting, or what is now known as shotcreting, sometime around 1907. Since shotcreting subsequently found its way into underground 1uining operatio1t.s. ii has unc.lcrgone an evolution through the 20th Cen­tury Lo where we find the process being used today