Discover how the Mount Rushmore monument was carved out of a mountain

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Mount Rushmore: Sculpting the four presidential heads at Mount Rushmore took 14 years and involved 400 people. Workers used dynamite, drills, and chisels to carve the faces into the side of the mou...

Mount Rushmore: Sculpting the four presidential heads at Mount Rushmore took 14 years and involved 400 people. Workers used dynamite, drills, and chisels to carve the faces into the side of the mountain.

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