The Secretary of the Interior may continue any land district in which is situated the seat of government of any one of the States, and may continue the land office in such district, notwithstanding the quantity of land unsold in such district may not amount to one hundred thousand acres, when, in his opinion, such continuance is required by public convenience, or in order to close the land system in such State.
43 U.S. Code § 123. Continuance of land offices when required by public convenience
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.