[1] The U.S. Army Corps of Engineers maintains the Lewis and Clark Visitor Center and the Gavins Point Project Administration Offices on Calumet Bluff overlooking the dam.

[2][3] The Lewis and Clark Expedition's Corps of Discovery camped below Calumet Bluff during the period of August 28 to September 1, 1804.

In his diary, Clark noted the bluff was "Called White Bear Clift, one of those animals haveing been killed in a whole in it[sic].

[5] To this day, the bluff matches Lewis and Clark's description of it as "composed of a yellowish red, and brownish clay as hard as chalk."

Folklore claims that a male child was born into the Yankton tribe while Lewis and Clark were meeting with them on Calumet Bluff.