The effective date of this subchapter, referred to in text, probably means the date of enactment of Pub. L. 94–545, which was approved on Oct. 18, 1976.

In text, “park” substituted for “monument” pursuant to Pub. L. 108–108, § 135, which is set out as a note under section 410jjj of this title and which redesignated the Congaree Swamp National Monument as the Congaree National Park.