USACE Wicket Lifter "Keen"
The USACE Marine Design Center, located in Philadelphia, PA, managed the design and construction of the Wicket Lifter "Keen." The vessel is owned and operated by the USACE Louisville District. The wicket lifter operates by raising or lowering the wickets that comprise the Olmsted Lock and Dam.

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Photo by: USACE |  VIRIN: 180816-A-EO314-438.JPG