Administrative jurisdiction over all Federal lands eliminated from the park, by the issuance of an order or orders of the Secretary of the Interior, is transferred to the Secretary of Agriculture for use, administration, and disposition in accordance with the provisions of title III of the Bankhead-Jones Farm Tenant Act [7 U.S.C. 1010 et seq.] and the related provisions of title IV thereof: Provided, That all of such lands formerly set apart and reserved from the public domain shall be subject to the mining and minerals-leasing laws: And provided further, That any disposition of any such lands formerly set apart and reserved from the public domain shall be evidenced by patents issued by the Secretary of the Interior.