In 2020, the Memorandum of Agreement Among Western Area Power Administration, South Dakota State Historic Preservation Officer, Yankton Sioux Tribe, Sweetland Wind Farm. LLC, and Advisory Council on Historic Preservation Regarding the Sweetland Wind Project Near Wessington, Hand County, South Dakota was executed. In accordance with VIII, the agreement is being amended to take into account the participation of the U.S. Fish & Wildlife Service in the undertaking.