There is in the Department of the Interior a service called the National Park Service.
Historical and Revision Notes
Source (U.S. Code)
Source (Statutes at Large)
16 U.S.C. 1 (1st sentence words before 1st comma).
Aug. 25, 1916, ch. 408, § 1 (1st sentence words before 1st comma), 39 Stat. 535.