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Places of Geologic Significance
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Managed By: Icon Here Interested Geologists
A category in which to place interesting rock, sand, soil formations and deformations which have been created by natural (not human) forces.
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Image for Great Sequatchie Valley - Southeast Tennesseeview gallery

NN35.2 km

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Places of Geologic SignificanceGreat Sequatchie Valley - Southeast Tennessee

in Places of Geologic Significance

The Great Sequatchie Valley is located in Southeast Tennesee.

posted by: Groundspeak Regular Member BackBrakeBilly

location: Tennessee

date approved: 8/31/2007

last visited: 5/24/2009

Image for Grassy Cove, Tennesseeview gallery

NN89 km

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Places of Geologic SignificanceGrassy Cove, Tennessee

in Places of Geologic Significance

Grassy Cove is a natural sinkhole and one of the largest in the U.S. at roughly 3 miles by 5 miles in size. State Highway 68 bisects the cove. It is listed as a National Natural Landmark by the National Park Service.

posted by: Groundspeak Regular Member PrognosticatingPedologist

location: Tennessee

date approved: 9/18/2007

last visited: 11/1/2011

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