... wilderness areas, and those areas formally iden-tified as primitive or natural areas or designated as national recreation areas) which closed the lands to appropriation under the Mining Law of 1872 ... Agriculture as it does in the Act of January 22, 1983 (commonly known as the Small Tracts Act ). (i)(1) Upon receipt of an offer to exchange lands or interests in lands pursuant to this Act or ... deposits, past and present mineral production, mining claims, miner-al leases, evaluation of future mineral potential, present and potential market demands. Public Law 94–579—Oct. 21, 1976, as amended...