Photo by Leon Roberts | U.S. Army Corps of Engineers, Nashville District | 11.08.2019
Congressman James Comer, Kentucky 1st District, speaks during a commissioning ceremony for a bio-acoustic fish fence Nov. 8, 2019 below Barkley Lock in Grand Rivers, Ky. The BAFF sends a curtain of bubbles, sound and light from the riverbed to the water surface, which deters noise-sensitive Asian carp from entering the lock chamber. Fisheries managers on the west coast of the United States use......
