Powerhouse tour
Walyn Hensley (right) explains the inner workings of a powerhouse to Lydon Swafford May 12. Lydon won the Mannford Middle School science fair with a project on hydropower and was given a tour of Keystone dam for his efforts.

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Tags: STEM, Hydropower
Photo by: Thomas Mills |  VIRIN: 170512-A-KQ701-023.JPG