Owyhee Dam A project of the Bureau of Reclamation, they hired General Construction Company from Seattle to build the dam. Former Oregonian and then United States President Herbert Hoover dedicated what was the highest dam of its type in the world on July 17, 1932. Secretary of the Interior Ray Lyman Wilbur delivered Hoover's message at the dam. Owyhee's construction served as a prototype for the larger Hoover Dam on the Colorado River, including the use of refrigeration to cool the concrete. The dam cost $6,000,000, with the total reclamation project costing $18,000,000. Owyhee was designed by Frank A. Banks, who also
Mratinje Dam Mratinje Dam The Mratinje Dam is a concrete arch dam in the canyon of the Piva River in Montenegro. The dam was completed in 1975 with designs by Energoprojekt. Its construction resulted in the flooding of the Piva canyon and the creation of Lake Piva, which, with its 12.5 km², is the second largest lake in Montenegro. The dam is high, one of the highest in Europe. The dam is long and thick at the crest, while it is long and thick at the base. The foundations go as deep as into the ground. of concrete and 5,000 tonnes of