Using dynamite to "carve" the faces was quite the monumental task to accomplish. They were accurate to within inches of the face. Then they suspended themselves on what were essentially zip lines to drill a honeycomb pattern; chisel off the bumps; then smooth it all out with pneumatic hammers. This took 14 years from start to finish. The faces were each 60 feet tall.
I didn't mention what presidents were chosen to be memorialized in stone - but they were Washington, Jefferson, Lincoln, and Teddy Roosevelt (some say he was included because he was a good friend of the master mind of Rushmore, Gutzon Borglum).
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Karen
Please note my new email address
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