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Bulldozers
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Dikes (Engineering) -- Design and construction
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Irrigation projects
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Spillways
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1. [Image] Clear Lake Spillway Rehabilitation - Specs. 200C-889 - Roy D. Garren Corporation, Contractor
P-12-200-2981NA Klamath Project - Oregon-California. View showing contractor dozing up surface rock along edge of water to be used as riprap on small dike; May 1974; Bureau of Reclamation photo by D. ...Citation