From the record
“The United States Bullion Depository, often known as Fort Knox, is a fortified vault building located next to the United States Army post of Fort Knox, Kentucky. It is operated by the United States Department of the Treasury.”
Wikipedia article United States Bullion Depository, CC BY-SA 4.0.
One of 89 National Register listings published here for Hardin County · listed in 1988 · category: Building · built in 1936, Neoclassical architecture, by Louis A. Simon.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

