The Secretary of the Interior, hereinafter called the Secretary, conjointly with the Board on Geographic Names, as hereinafter provided, shall provide for uniformity in geographic nomenclature and orthography throughout the Federal Government. The Secretary may exercise his functions through such officials as he may designate, except that such authority as relates to the final approval or review of actions of the Board on Geographic Names shall be exercised by him, or his Under or Assistant Secretaries. (July 25, 1947, ch. 330, § 1, 61 Stat. 456 .) Statutory Notes and Related Subsidiaries Authorization of Appropriations Act July 25, 1947, ch. 330, § 1, 61 Stat. 457 , authorized appropriation of such sums as might be necessary to carry out the purposes of this chapter. Executive Documents Transfer of Functions For transfer of functions of other officers, employees, and agencies of Department of the Interior , with certain exceptions, to Secretary of the Interior, with power to delegate, see Reorg. Plan No. 3 of 1950, §§ 1, 2, eff. May 24, 1950 , 15 F.R. 3174 , 64 Stat. 1262 , set out under section 1451 of this title .