Site: 52 acres. Exterior Finish: Reinforced concrete sheathed in 173,000 square feet of Alabama white marble. Temple Design: Six-spire design—the total design portrays the Church as a light to the world, with the the three towers to the east representing the Melchizedek Priesthood leadership, and those to the west, the Aaronic Priesthood leadership. Number of Rooms: Six ordinance rooms and fourteen sealing. Total Floor Area: 160,000 square feet.Announcement: 15 November 1968 Groundbreaking and Site Dedication: 7 December 1968 by Hugh B. Brown Public Open House: 17 September–2 November 1974 Dedication: 19–22 November 1974 by Spencer W. Kimball