S: (n) 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)
S: (n) James, James River (a river that rises in North Dakota and flows southward across South Dakota to the Missouri)
S: (n) Little Missouri, Little Missouri River (a river that rises in northeastern Wyoming and flows through Montana and South Dakota to join the Missouri River in North Dakota)
S: (n) Moreau River (a river that rises in western South Dakota and flows eastward to the Missouri River)
S: (n) Rushmore, Mount Rushmore, Mt. Rushmore (a mountain in the Black Hills of South Dakota; the likenesses of Washington and Jefferson and Lincoln and Roosevelt are carved on it)