'Since 1937 this military post has been the site of the United States' gold bullion depository'
Fort Knox, Kentucky
U.S. HISTORY: Since 1937 this military post has been the site of the United States' gold bullion depository
Since 1937 this military post has been the site of the United States' gold bullion depository
Since 1937 this military post has been the site of the United States' gold bullion depository
U.S. HISTORY
Fort Knox, Kentucky
U.S. HISTORY