Viewed looking north around 1990, this image shows (in a clockwise direction beginning at the lower left) Building 71, an administration and engineering building encompassing 120,000 square feet; Building 61, an administration and engineering building encompassing 120,000 square feet; Building 51, a cafeteria of 50,000 square feet; Building 41, an administration and engineering building encompassing 120,000 square feet; and Building 31, a manufacturing building encompassing 371,000 square feet. Next to Building 31 on the left is Building 23, a warehouse of 120,000 square feet; and behind it is Building 21, a warehouse and manufacturing structure of 294,000 square feet. Behind Building 21 to the left is a chemical storage facility of 24,000 feet and to the right (and at the top of the image), a utility facilities structure of 57,000 square feet. Running lower left (southwest) to upper right (northeast), and to the right of the those buildings, is the bright blue spine which serves as a distribution system for the site. Continuing in a clockwise direction at the upper right of the image is Building 20, a manufacturing building of 248,000 square feet; Building 30, another manufacturing building of 223,000 square feet; Building 40 with a circular drive, the site administration building and engineering facility of 120,000 square feet; and Building 60, an administrative and engineering building encompassing 120,000 square feet. All of the administration and engineering, manufacturing and warehouse buildings are two-stories.