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UndergroundShotcrete: A Key to Advances in Safety and Productivity in Mining
J. Denis P. O'Donnell, Sr.
Read MoreIn 1969, when I bid farewell to work in field exploration, I knew I would miss the outdoors. I wasn’t sure if my love for geological mapping, and my penchant for using geophysical equipment to probe the earth for her riches, would be fulfilled. The