; 16 U.S.C. 484a ); and (B) made available to the Secretary for the acquisition of land or interests in land in BLM Arizona. (3) Surplus of non-Federal land value If the final appraised value of the non-Federal land exceeds the final appraised value of the Federal land, the United States shall not make a cash equalization payment to the City, and surplus value of the non-Federal land shall be considered a donation by the City to the United States for all purposes of law. 5. Withdrawal provisions Lands acquired by the Secretary under this Act are, upon such acquisition, automatically and permanently withdrawn from all forms of appropriation and disposal under the public land laws (including the mining and mineral leasing laws) and the Geothermal Steam Act of 1930 ( 30 U.S.C. 1001 et seq.). 6. Maps, estimates, and descriptions (a) Minor errors The Secretary and the City may, by mutual agreement— (1) make minor boundary adjustments to the Federal and non-Federal lands involved in the exchange; and (2) correct any minor errors in any map, acreage estimate, or description of any land to be exchanged. (b) Conflict If there is a conflict between a map, an acreage estimate, or a description of land under this Act, the map shall control unless the Secretary and the City mutually agree otherwise. (c) Availability The Secretary shall file and make available for public inspection in the Arizona headquarters of the Bureau of Land Management a copy of all maps referred to in this Act. 7. Effect The exchange of Federal land and non-Federal land under this Act shall not constitute a major Federal action for purposes of the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq.).