Park Statistics
Visitors cars outside of Delta-01 at a summer open house NPS Recreational Visitors 2008 – 30,615 2007 – 24,655 2006 – 16,754 2005 – 7,800 2004 – 4,924 |
Did You Know?
To construct and deploy all 150 silos and 15 adjacent support structures for South Dakota’s Minuteman Missile field cost $56 million in the early 1960s ($9.2 billion in 2005 terms).