Cartes topographiques Brownsville
Cliquez sur une carte pour visualiser sa topographie, son altitude et son relief.
Mammoth Cave National Park
United States > Kentucky > Edmonson County > Brownsville
The upper sandstone member is known as the Big Clifty Sandstone. Thin, sparse layers of limestone interspersed within the sandstone give rise to an epikarstic zone, in which tiny conduits (cave passages too small to enter) are dissolved by the natural acidity of groundwater. The epikarstic zone concentrates…
Altitude moyenne : 215 m