National and State Register

Department of Energy (DOE) Grand Junction Office

Mesa County

This 25.2-acre complex along the Gunnison River originated in 1943 as the national headquarters for acquisition of domestic uranium used in the development of the first atomic bombs under the Manhattan Project.

A view of the complex from an elevated perspective with buildings in the distance beyond a road and plains in the background.

Department of Energy (DOE) Grand Junction Office 

The complex then transitioned to being the principal office used by the Atomic Energy Commission (DOE’s predecessor) for the exploration for and acquisition of domestic uranium used in nuclear weapons production during the Cold War (1947-1970).