References
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- "Put Your Water to Work: Using Hydropower to Lift a Load." Science Fair Project Ideas, Answers, & Tools. N.p., n.d. Web. 17 Jan. 2013. <http://www.sciencebuddies.org/science-fair-projects/project_ideas/Energy_p021.shtml
- Currie, Stephen. Hydropower. San Diego, CA: ReferencePoint Press, 2011. Print.