ORHPA awards a Historic Preservation Award annually. The award is given to a public-use facility that reflects guidelines outlined for historic preservation in the Secretary of the Interior’s Standards and Guidelines for Archaeology and Historic Preservation. The award is presented on September 19th-the date in 1942 that General Leslie Groves
K-25 is a former uranium enrichment facility of the Manhattan Project which used the gaseous diffusion method. The U-shaped K-25 building measured half a mile by 1,000 feet (300m) – over 2,000,000 square feet (190,000 m2). This entire site is now called the East Tennessee Technology Park.