16 U.S. Code § 459h - Gulf Islands National Seashore
In order to preserve for public use and enjoyment certain areas possessing outstanding natural, historic, and recreational values, the Secretary of the Interior (hereinafter referred to as the “Secretary”) may establish and administer the Gulf Islands National Seashore (hereinafter referred to as the “seashore”).
(2) Areas included in boundary plan numbered NS–GI–7100J
The areas described in this paragraph are the following gulf coast islands and mainland areas, together with adjacent water areas as generally depicted on the drawing entitled “Proposed Boundary Plan, Proposed Gulf Islands National Seashore,” numbered NS–GI–7100J, and dated December 1970:
(3) Cat Island
Upon its acquisition by the Secretary, the area described in this paragraph is the parcel consisting of approximately 2,000 acres of land on Cat Island, Mississippi, as generally depicted on the map entitled “Boundary Map, Gulf Islands National Seashore, Cat Island, Mississippi”, numbered 635/80085, and dated November 9, 1999 (referred to in sections 459h to 459h–10 of this title  as the “Cat Island Map”).
 See References in Text note below.
Source(Pub. L. 91–660, § 1,Jan. 8, 1971, 84 Stat. 1967; Pub. L. 106–554, § 1(a)(4) [div. B, title I, § 137(a)], Dec. 21, 2000, 114 Stat. 2763, 2763A–231.)
References in Text
Sections 459h to 459h–10 of this title, referred to in subsec. (b)(3), was in the original “this title”, and was translated as reading “this Act”, meaning Pub. L. 91–660, which enacted sections 459h to 459h–10 of this title, to reflect the probable intent of Congress, because Pub. L. 91–660does not contain titles.
2000—Pub. L. 106–554inserted section catchline and subsec. (a) designation and heading, substituted “In order” for “That, in order”, inserted subsec. (b) designation and heading, added par. (1), inserted par. (2) designation and heading and substituted “The areas described in this paragraph are” for “The seashore shall comprise”, redesignated former pars. (1) to (6) as subpars. (A) to (F), respectively, of par. (2), realigned margins, and added pars. (3) and (4).