South Dakota - a state in north central United StatesBad Lands, Badlands - an eroded and barren region in southwestern South Dakota and northwestern Nebraska Badlands National Park - a national park in South Dakota having multicolored peaks and spires resulting from erosion; fossil sites Aberdeen - a town in northeastern South Dakota Rapid City - a town in southwestern South Dakota in the eastern part of the Black Hills Sioux Falls - largest city in South Dakota; located in southeastern South Dakota Black Hills - mountains in western South Dakota and northeastern Wyoming Big Sioux River - a river that rises in northeastern South Dakota and flows southward to join the Missouri River at Sioux City, Iowa Black Hills - mountains in southwestern South Dakota and northeastern Wyoming; sacred to the Sioux (whites settling in the Black Hills led to the Battle of Little Bighorn); site of Mount Rushmore James River, James - a river that rises in North Dakota and flows southward across South Dakota to the Missouri Mount Rushmore, Mt. Rushmore, Rushmore - a mountain in the Black Hills of South Dakota; the likenesses of Washington and Jefferson and Lincoln and Roosevelt are carved on it |