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A Lesson in Abysses

by LiveModern Webmaster last modified Jan 04, 2012 02:51 AM
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by Geoff Manaugh (noreply@blogger.com) last modified May 04, 2011



 

 

[Image: The title of this post, predictably, comes from Jules Verne: "'Look down!' he cried. 'Look down well! You must take a lesson in abysses.'"].

Those of you near Reston, Virginia, tonight, 4 May, might want to check out a talk sponsored by the U.S. Geological Survey on the "unseen world beneath our feet: caves, sinkholes, and springs."

Sinkholes, we read, are both a subterranean threat of terrestrial instability—glitches in the landscape—and a spatial seed for potential future parks. The talk is free and open to the public, and kicks off at 7pm.

 

 

 
 
 

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