Prototype Lamprey-Passage Structure
Dye testing allows Walla Walla District engineers to observe flow effects through a variety of preliminary design models May 24-26, 2011, at Corps’ Engineer Research and Development Center in Huntsville, Ala. Flow data is collected and analyzed to help engineers make final-design decisions.

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Tags: lamprey, McNary
Photo by: U.S. Army Corps of Engineers |  VIRIN: 110526-A-CE999-099.JPG