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International Hydropower Association. (October 19, 2015). Number of hydropower plants with dams in the U.S. in 2014, by additional purpose [Graph]. In Statista. Retrieved March 09, 2021, from https://www.statista.com/statistics/474708/hydropower-plant-numbers-in-the-us-by-additional-purpose/
International Hydropower Association. "Number of hydropower plants with dams in the U.S. in 2014, by additional purpose." Chart. October 19, 2015. Statista. Accessed March 09, 2021. https://www.statista.com/statistics/474708/hydropower-plant-numbers-in-the-us-by-additional-purpose/
International Hydropower Association. (2015). Number of hydropower plants with dams in the U.S. in 2014, by additional purpose. Statista. Statista Inc.. Accessed: March 09, 2021. https://www.statista.com/statistics/474708/hydropower-plant-numbers-in-the-us-by-additional-purpose/
International Hydropower Association. "Number of Hydropower Plants with Dams in The U.S. in 2014, by Additional Purpose." Statista, Statista Inc., 19 Oct 2015, https://www.statista.com/statistics/474708/hydropower-plant-numbers-in-the-us-by-additional-purpose/
International Hydropower Association, Number of hydropower plants with dams in the U.S. in 2014, by additional purpose Statista, https://www.statista.com/statistics/474708/hydropower-plant-numbers-in-the-us-by-additional-purpose/ (last visited March 09, 2021)
