Devil's Den
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Large diabase boulders at Devil's Den, Gettysburg National Park.
Credit:
Timothy Gleason
Date Taken:
Monday, August 1, 2016
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Large diabase boulders at Devil's Den, Gettysburg National Park.
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PAESTA is funded by the National Science Foundation:
Award # DUE-0962792 & Award # GEO-0631377