Overdoses of willow bark may cause skin rash, stomach inflammation/irritation, nausea, vomiting, kidney inflammation, and tinnitus (ringing in the ears).
South Dakota, a state in the north central continental United States, is known as the Mount Rushmore State. This stems from the presence of the Mount Rushmore National Memorial near the city of Keystone in western South Dakota.
Assorted References. 1  flag history (in flag of South Dakota) 2  history (in South Dakota: Early history) 3  physical geography (in South Dakota: Relief) 4  population (in South Dakota: Population composition) 5  presidential election of 2008 (in United States Presidential Election of 2008: June 3)