Sep 22, 2008 10:59 am US/Eastern
WTC Dig Exposes Glacial Landscape
NEW YORK (CBS/AP) ―
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A view of the ramp into the Pit at Ground Zero. (File)
Gregg Geller/CBS
Construction workers digging at ground zero in lower Manhattan have uncovered a 40-foot pothole and other features carved by glaciers about 20,000 years ago.
The bedrock at the southeast corner of the World Trade Center site is now exposed for the first time in thousands of years. Geologists say there are rock formations unlike anything else in the city.
Officials from the engineering firm that is excavating the site will give a talk Wednesday about the geological treasures they have unearthed.
But soon it will all be blasted away or covered up again to make way for the new World Trade Center towers.
(© 2009 CBS Broadcasting Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)
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