Sections of bio acoustic fish fence submerged at Barkley Lock
David Lambert, project manager with Fish Guidance Systems, and Jill Kelley, project manager with the U.S. Army Corps of Engineers Nashville District, watch as a crew prepares to install a section of the bio acoustic fish fence Oct. 9, 2019 on the riverbed below Barkley Lock in Grand Rivers, Ky.

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Photo by: Lee Roberts |  VIRIN: 191009-A-EO110-1003.JPG