Olga Beddingfield, Army Corps of Engineers Nashville District operations manager for the Mid-Cumberland Area, gives a safety briefing for a tour of the Old Hickory Dam Powerhouse April 19, 2017 to more than 100 hydropower experts attending the 40th Annual Joint Hydropower Conference in Nashville Tenn. (USACE photo by Leon Roberts)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: beddingfield, control, corps, cumberland, dam, district, engineers, hickory, hydropower, joint, nashville, olga, powerplant, river, room, tennessee, tour, usace