1981—Pub. L. 97–98 inserted development of energy resources to the enumeration of aims for which the Secretary may develop programs of land conservation and land utilization.

1966—Pub. L. 89–796 inserted “developing and protecting recreational facilities,” after “protecting fish and wildlife,”.

1962—Pub. L. 87–703 struck out “including the retirement of lands which are submarginal or not primarily suitable for cultivation,” after “land utilization”, provided for assistance in protecting fish and wildlife and prohibited the building of industrial parks or establishment of private industrial or commercial enterprises.

Amendment by Pub. L. 97–98 effective Dec. 22, 1981, see section 1801 of Pub. L. 97–98, set out as an Effective Date note under section 4301 of this title.

Section repealed by Pub. L. 94–579, title VII, § 706(a), Oct. 21, 1976, 90 Stat. 2793, effective on and after Oct. 21, 1976, insofar as applicable to the issuance of rights-of-way over, upon, under, and through the public lands and lands in the National Forest System. Such repeal not to be construed as terminating any valid lease, permit, patent, etc., existing on Oct. 21, 1976, see section 701 of Pub. L. 94–579, set out as a note under section 1701 of Title 43, Public Lands.

Provisions of section 706(a) of Pub. L. 94–579, except as pertaining to rights-of-way, not to be construed as affecting the authority of the Secretary of Agriculture under this section, see note set out under section 1701 of Title 43, Public Lands.

Enforcement functions of Secretary or other official in Department of Agriculture, insofar as they involve lands and programs under jurisdiction of that Department, related to compliance with this subchapter with respect to pre-construction, construction, and initial operation of transportation system for Canadian and Alaskan natural gas transferred to Federal Inspector, Office of Federal Inspector for the Alaska Natural Gas Transportation System, until first anniversary of date of initial operation of Alaska Natural Gas Transportation System, see Reorg. Plan No. 1 of 1979, §§ 102(f), 203(a), 44 F.R. 33663, 33666, 93 Stat. 1373, 1376, effective July 1, 1979, set out in the Appendix to Title 5, Government Organization and Employees. Office of Federal Inspector for the Alaska Natural Gas Transportation System abolished, and functions and authority vested in Inspector transferred to Secretary of Energy by section 3012(b) of Pub. L. 102–486, set out as an Abolition of Office of Federal Inspector note under section 719e of Title 15, Commerce and Trade. Functions and authority vested in Secretary of Energy subsequently transferred to Federal Coordinator for Alaska Natural Gas Transportation Projects by section 720d(f) of Title 15.