AAA Editor Notes
Sergeant Floyd Monument is on US 75S at 2503 S. Lewis Blvd. A 100-foot-high white stone obelisk at the summit of Floyd's Bluff marks the burial place of Sgt. Charles Floyd. The only member of the Lewis and Clark Expedition to die during the 3-year journey, Floyd succumbed to a serious abdominal ailment August 20, 1804. The site offers an excellent view of Sioux City and the Missouri River.