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
Englebright Dam Engineering so that river flow requirements can be met during shut-downs of the Narrows II Powerhouse at the base of the dam. Narrows 1 Powerhouse is further downstream and smaller than Narrows 2 Powerhouse. Englebright Dam Englebright Dam is a high variable radius concrete arch dam on the Yuba River in the Sacramento River Basin, located in Yuba and Nevada Counties of California, USA. It was put into service in 1941 by the United States Army Corps of Engineers. The dam was constructed in 1941 for the primary purpose of trapping sediment derived from anticipated hydraulic mining operations in the