Mount Rushmore National Memorial is located in the east-central part of the Black Hills area of South Dakota and is challenged to provide drinking water to about 3 million annual visitors and year-round park personnel. An environmental concern to water
Hoogestraat, Galen K. ghoogest@usgs.gov,Rowe, Barbara L. blrowe@usgs.gov. Perchlorate and selected metals in water and soil within Mount Rushmore National Memorial, South Dakota, 2011???15. 2016-01-01.