A second, lower deck, which had been anticipated in Ammann's original plans, was approved by Lt. Col. Joseph R. McCammon, U.S. Army Corps of Engineers and opened to the public on August 29,1962.
A second, lower deck was approved by Lt. Col. Joseph R. McCammon. A second, lower deck was opened to the public on August 29,1962. Lt. Col. Joseph R. McCammon was U.S. Army Corps of Engineers. A second, lower deck had been anticipated in Ammann's original plans.