US Army Corps of Engineers
Northwestern Division Website Website

Penstocks at Chief Joseph Dam
The 27 Penstocks at Chief Joseph Dam measure 25 feet in diameter feed water into the turbines at the dam to generate hydropower near Bridgeport, Washington.

Download Image: Full Size (1.29 MB)
Tags: Chief Joseph
Photo by: Jay Anderson |  VIRIN: 140620-A-CE999-400.JPG