Читать книгу Prairie - Candace Savage - Страница 15

Formed by erosion sometime in the last 1 million to 2 million years, the spectacular red sandstone wall of the Caprock Escarpment forms a natural boundary between the High Plains of Texas and the rolling terrain of the Osage Plains to the east. In places, the escarpment towers as much as 1,000 feet (300 meters) above the surrounding country.