Quick search by citation:

16 U.S. Code § 423a - Acceptance of donations of lands

The Secretary of the Interior is authorized to accept, on behalf of the United States, donations of lands, interests therein, or rights pertaining thereto required for the Petersburg National Battlefield.

(July 3, 1926, ch. 746, § 2, 44 Stat. 822; Ex. Ord. No. 6166, § 2, June 10, 1933; Ex. Ord. No. 6228, § 1, July 28, 1933; Pub. L. 87–603, § 1, Aug. 24, 1962, 76 Stat. 403.)
Statutory Notes and Related Subsidiaries
Change of Name

“Petersburg National Battlefield” substituted in text for “Petersburg National Military Park” pursuant to Pub. L. 87–603. See section 423h–1 of this title.

Executive Documents
Transfer of Functions

Transfer of administrative functions of park, see note set out under section 423 of this title.