Badlands National Park

Badlands National Park (Lakota: Makȟóšiča) is a national park in southwestern South Dakota that protects 242,756 acres (379.306 sq mi; 98,240 ha)^[1] of sharply eroded buttes, pinnacles, and spires blended with the largest undisturbed mixed grass prairie in the United States. The park is managed by the National Park Service.

• http://en.wikipedia.org/wiki/Badlands National Park
• Page 170 - Dicka, A. B., 2012, 101 American Geo-sites you've gotta see: Mountain Press Publishing Co., 250p.