The US Army Corps of Engineers, Walla Walla District will resume use of bird deterring lasers, and will be testing a Long Range Acoustic Device to prevent birds from preying on endangered juvenile salmon passing through McNary Dam.
The US Army Corps of Engineers, Walla Walla District will resume use of bird deterring lasers, and will be testing a Long Range Acoustic Device to prevent birds from preying on endangered juvenile salmon passing through McNary Dam.