A six-barge tow navigates through Old Hickory Lock Feb. 27, 2014 at the U.S. Army Corps of Engineers project located on the Cumberland River in Old Hickory, Tenn. Stratford STEM Magnet High School ninth graders were on a field trip when the barges navigated through the lock. (USACE photo by Leon Roberts)
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OLD HICKORY, TN, US
This work, STEM freshmen learn their lesson at Old Hickory Dam [Image 1 of 8], by Leon Roberts, identified by DVIDS, is free of known copyright restrictions under U.S. copyright law.