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Devilstep Hollow Cave is a natural limestone cave located within Justin P. Wilson Cumberland Trail State Park. The cave, part of the Mill Cave System, drains Grassy Cove, which is the largest sinkhole in North America. It contains numerous instances of Mississippian era Native American cave art.
Dunbar Cave State Park is a 110 acre (450,000 m²) [1] protected area in Clarksville, Tennessee. Dunbar Cave is the 280th largest known cave complex in the world, stretching 8.067 miles (13 km) inward. The cave is located in an area of karst topography, including sinkholes, springs, and limestone bedrock.
The cave has more than 9 miles (14 km) of surveyed passages, making it the longest continuous cave in the Tennessee Central Basin region. It is part of a system of caves known to have more than 13 miles (21 km) of passages. [1] The mouth of Snail Shell Cave is a sinkhole, with nearly vertical walls, 125 feet in diameter and 60 feet deep.
The Douglas Lake Member is composed of a diverse set of sedimentary rocks, including rubble conglomerate, chert conglomerate, and black dolomite.In outcrops along the north shore of Lake Douglas, the chert conglomerate overlies the rubble conglomerate and both of which fill prehistoric sinkholes, called paleokarst, developed in upper surface of the Mascot Dolomite.
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Three counties in Florida's Tampa area make up a region sometimes called "sinkhole alley" because of the over 20,000 sinkholes there, almost 75% of the sinkholes in the whole state, according to ...
Dye traces establish the origin of their water as originating from Grassy Cove, [5] the pastoral limestone sinkhole located to the north-east. The Sequatchie River follows the general trend of the Sequatchie Valley, flowing south-west for 182.12 mi (293.09 km). [6] Sequatchie River in Pikeville, Tennessee
Karst is made up of soluble rock types like limestone, marble and gypsum, which can dissolve or collapse over time, creating sinkholes, sinking streams, caves, springs, and other characteristic ...