The MSR site in June 1971 during construction. Source (2).

• At left is the 7 1/2 million gallon capacity heat sink which will be underground when completed.
• At right center is the 17.3 megawatt power plant with its roof being closed in.
• Directly behind the power plant is the Missile Site Control Building (MSCB) with the third floor structure being roofed in and the radar turret starting to be formed up.