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Friday, September 22, 2017

Lake Texcoco

NY Times: Mexico City Was Built on an Ancient Lake Bed. That Makes Earthquakes Much Worse. By DEREK WATKINS and JEREMY WHITE
Today, much of the city stands on layers of sand and clay — up to 100 yards deep — that used to be under the lake. These soft, water-laden sediments make the city uniquely vulnerable to earthquakes and other problems.

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