Julius Albert Krug (November 23, 1907 – March 26, 1970) was a politician who served as the United States Secretary of the Interior for the administration of President Harry S. Truman from 1946 until 1949.

President Truman nominated Krug for the position of Secretary of the Interior on February 26, and he assumed office on March 18, 1946.

The reservoir flooded one-quarter of the reservation, destroying the tribal headquarters, the hospital, and 154,000 acres of fertile farm land.

[2] George Gillette, chairman of the Mandan, Hidatsa, and Arikara Nation, commented in 1948: We will sign this contract with a heavy heart.

Other members of the committee included Herbert Hoover, Thomas Watson, Howard E. Babcock, and Randolph Greene Pack.