Chittenden Locks help juvenile salmon on journey to Puget Sound
Young Issaquah Fish Hatchery coho with inflatable balloon tags ready for survivability and injury testing of the prototype smolt slide. U.S. Army Corps of Engineers officials continually look for ways to help salmon traverse the 100-year-old Hiram M. Chittenden Locks. After their trip down the slide the balloons inflate, bringing the fish to the surface where boat teams recovered and inspected them.

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Photo by: Nate Malmborg |  VIRIN: 170519-A-DT641-001.JPG