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The United States Bullion Depository Fort Knox, Kentucky
Amount of gold holdings in 2006: 147.3 million ounces.
The only gold removed has been very small quantities used to test the purity during regular audits. No other gold has entered or left the depository for many years.
The gold is held as an asset of the United States at a book value of $42.22 per ounce.
The depository opened in 1937. The first gold arrived in January that year.
Highest amount of gold holdings in the 20th century: 649.6 million ounces
(December 31, 1941).
Size of a standard gold bar: 7 inches x 3-5/8 inches x 1-3/4 inches.
Weight of a standard gold bar: about 400 ounces or 27.5 pounds.
Construction of the depository:
Building materials used included 16,000 cubic feet of granite, 4,200 cubic yards of concrete, 750 tons of reinforcing steel, and 670 tons of structural steel.
Cost of construction was $560,000.
Building was completed in December 1936.
At certain times in the past, the depository has stored valuable items such as:
Declaration of Independence
Articles of Confederation
Lincoln's Gettysburg address
Three volumes of the Gutenberg Bible
Lincoln's second inaugural address
Crown, sword, scepter, orb, and cape of St. Stephen, King of Hungary (returned to the government of Hungary in 1978).
The depository is a classified facility. Without exception, no visitors are admitted.
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