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Making America's Best Idea Even Better
Mount Rushmore National MemorialSome of the lights used to illuminate the memorial at dusk.
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Mount Rushmore National Memorial
Natural Features & Ecosystems

natural features & ecosystems includes:

Cave / Karst Systems
Forests
Groundwater
Soils
 
 
Did You Know?  

Did You Know?
That there is a cave in the mountain behind the heads on Mount Rushmore? It is called the Hall of Records. Gutzon Borglum and his workers started the drilling in July of 1938 and work was halted in July of 1939.

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Last Updated: December 09, 2006 at 11:30 EST