Karst features, Buffalo National River
By Geosciences and Environmental Change Science Center
2010 (approx.)
Detailed Description
Examples of karst features within the Buffalo National River Park. Karst is a type of topography that is formed over limestone, dolomite, or gypsum by dissolving or solution, and that is characterized by closed depressions or sinkholes, caves, and underground drainage (American Geological Institute Dictionary of Geologic Terms).
Sources/Usage
Public Domain.