43 CFR § 3582.2-1 - Boundary maps.
The areas subject to the regulations in this subpart are those areas of lands and water which are shown on the following maps on file and available for public inspection in the Office of the Director of the National Park Service and in the Superintendent's office of each area. The boundaries of these areas may be revised by the Secretary as authorized in the Acts cited under § 3500.0-3(c)(3) of this title.
(a) Lake Mead National Recreation Area - the map identified as “boundary map 8360 - 80013A, revised December 1979.”
(b) Whiskeytown Unit of the Whiskeytown-Shasta-Trinity National Recreation Area - the map identified as “Proposed Whiskeytown-Shasta-Trinity National Recreation Area,” numbered BOR-WST 1004, dated July 1963.
(c) Ross Lake and Lake Chelan National Recreation Areas - the map identified as “Proposed Management Units. North Cascades, Washington,” numbered NP-CAS - 7002, dated October 1967.
(d) Glen Canyon National Recreation Area - the map identified as “Boundary Map Glen Canyon National Recreation Area,” numbered GLC - 91,006, dated August 1972.