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Secretary of the Interior Stewart Udall, and his chief construction engineer on the site, an Arkansas-born bulldog named L. F. “Lem” Wylie, Bureau of Reclamation Commissioner Floyd Dominy had sanctioned January 21 as the day the diversion tunnel in the west wall of the canyon would be sealed.
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Russell Martin (A Story that Stands Like a Dam: Glen Canyon and the Struggle for the Soul of the West)