Come Hike on the Cumberland Trail... and GeoCache!
When complete, the Cumberland Trail will be a 300 mile trail stretching from the southern border of Tennessee to the Northern border. This simple P&G is located at the Heiss Mountain Trailhead, the Southern terminus of the Possum Creek Gorge section.
http://www.cumberlandtrail.org/maps-and-guides/trail-segments/three-gorges/possum-section/
You are looking for a small test-tube sized container.