USA HISTORY

Detailed explanation-1: -Every year, the many visitors to Mount Rushmore National Memorial in the Black Hills of South Dakota draw inspiration from the colossal portraits of four outstanding presidents of the United States: George Washington, Thomas Jefferson, Abraham Lincoln, and Theodore Roosevelt.

Detailed explanation-2: -The face of Theodore Roosevelt on Mount Rushmore.

Detailed explanation-3: -The memorial is carved on the northwest margin of the Black Elk Peak granite batholith in the Black Hills of South Dakota, so the geologic formations of the heart of the Black Hills region are also evident at Mount Rushmore.

Detailed explanation-4: -Borglum liked the idea, and scouted out a broad wall of exposed granite on 5, 725 foot Mount Rushmore, named in 1885 for New York lawyer Charles E. Rushmore. Robinson was originally imagining the sculpture would be a parade of American Indian leaders and American explorers who shaped the frontier.

Detailed explanation-5: -Mount Rushmore National Memorial in Keystone, South Dakota, was carved on the granite face of a mountain in the Black Hills between 1927 and 1941.