Black Hills
Black Hills, mountain range in South Dakota and Wyoming, famous for the Mount Rushmore National Memorial. Here, the heads of 4 past U.S. presidents are carved out of the mountainside. The Black Hills are rich in minerals, including gold. Their highest point is Harney Peak (7,242 ft/2,207 m).
See also: Rushmore, Mount.
Additional topics
21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Black haw to Boulez, Pierre