Stanley R. Mickelsen Safeguard Complex

 (1975-1976) - A Cluster of Cold War Army Radar & Missile Facilities that supported the Safeguard Anti-Ballistic Missile Program.

Current Status
Abandoned, Private Property, owned by the Spring Creek Hutterite Colony.

See Also:
 * Cavalier Air Force Station
 * US Radar Sets

Sources:

Links:
 * Unofficial Stanley R. Mickelsen Safeguard Complex Page
 * Wikipedia - Stanley R. Mickelsen Safeguard Complex