Charles Floyd was the only member of the historic Lewis and Clark Expedition who died during this long and arduous trip. To commemorate his legacy, a monument was erected in his honor ? the Sergeant Floyd Monument. It is located on the shores of the Floyd?s River in Sioux City, Iowa.

Charles Floyd was a Kentucky native and explorer who joined his relative William Clark in the expedition. He fell ill during an upstream voyage in 1804. He died of what present doctors believe to a ruptured appendix. He was buried on the riverbanks where he died. When the iconic white sandstone obelisk was completed in 1901, Floyd?s grave was moved to this site. The US government designated it as a National Historic Landmark on June 30, 1960. The monument is now part of a 23-acre park overlooking a scenic vista of the Missouri River Valley.