Tenn. Code Ann. § 12-1-104: Federal improvements on state land

This commission may contract for and purchase any improvements or installations which may be located on lands belonging to the state and which have been placed on such lands by the federal government, or by any agency thereof, with authority reserved in the federal government to remove such improvements or installations, if it so elects. The terms and conditions of any such purchase shall be agreed upon by this commission and the proper representatives of the federal government.