Hoover Dam is 726 feet tall; 171 ft. taller than the Washington Monument. At
its base, Hoover Dam is 660 feet thick. That’s the length of two footballs
fields lying end to end. 4 1/2 million cubic yards of concrete were used to
build the dam. That’s enough to pave a two lane road from Seattle to Miami. Lake
Mead, the reservoir created by Hoover Dam, is the largest man-made body of
water in the United States. If you’ve ever used a drinking fountain in
Disneyland in Anaheim or at Sea World in San Diego, then you’ve tasted water
that came from Lake Mead. Between 1931 and 1936 when the dam was built, 96 men
were killed in industrial accidents. Another 42 workers are believed to have
died from carbon monoxide poisoning while building diversion tunnels. The cause
of their deaths was listed as pneumonia. Contrary to popular belief, there are
no workers buried in the concrete.
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