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Mount Rushmore


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Author Topic: Mount Rushmore  (Read 1773 times)
Shonnon
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« Reply #105 on: February 24, 2013, 02:35:02 am »



Dynamite Faces

Photograph from Rise Studio/National Geographic

The December 1930 issue ofDuPontMagazinetouted the company's role in making the monument: "[Washington's] head, measuring 60 feet from pate to chin and 45 feet from ear to ear, is visible to the naked eye for several miles."

"In forming this head more than 2,000 cubic yards of granite have been removed, a task requiring the use of about 6,000 pounds of 40 per cent du Pont special gelatin dynamite, and 40,000 No. 6 du Pont electric blasting caps."

February 16, 2013
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