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 Previewing: Pipe Creek Sinkhole 
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Pipe Creek Sinkhole in Grant County, Indiana, contains an amazing assemblage of fossils from the early Pliocene Epoch, about five million years ago, possibly the only site of its kind in the interior of the eastern half of North America.
Pipe Creek Sinkhole owned by: oldmuskrat
A member of Paleo Sites WebRing since 02/12/2005.