WASHINGTON — The National Park Service says engineers have found a crack near the top of the Washington Monument presumably caused by a magnitude-5.8 earthquake that shook the East Coast. Park service spokesman Bill Line said Tuesday night that structural engineers found the crack where the 555-foot landmark narrows considerably. He says the monument will be closed indefinitely to keep the public safe. An outside engineering service will study the crack on Wednesday. The 91,000-ton monument is made of Maryland marble.
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on August 24, 2011. Filed under News.
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Posted by
on August 24, 2011. Filed under