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Perchlorate and Selected Metals in Water and Soil within Mount Rushmore National Memorial

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Author interview on report "Perchlorate and selected metals in water and soil within Mount Rushmore National Memorial, South Dakota, 2011–15," U.S. Geological Survey Scientific Investigations Report 2016-5030. An environmental concern to water resources within Mount Rushmore National Memorial has been the annual aerial display of fireworks at the memorial for the Independence Day holiday during 1998–2009. 




Public Domain.