National Geographic : 1947 Jun
Charles DelVecchio Cloverleaf Approaches, Cleared for Traffic, Trace Geometric Patterns Around the Snowbound Pentagon Building Home of the War Department, the amazing Pentagon held more than 30,000 workers during wartime. Five outer walls cover nearly amile. Corridors stretch 16 2 miles. Parking areas can accommodate 6,400 cars. Arlington Memorial Bridge leads to Lincoln Memorial (right). This 10-inch fallstruck February 20,1947.