The survey and investigation area referred to in section 460y of this title is described as follows:

In addition to the lands described in subsection (a) of this section, the Secretary is authorized to acquire such land outside the area but in close proximity thereto as is necessary to facilitate sound management. Acquisition hereunder shall, however, not exceed three hundred and twenty acres and shall be limited to such purposes as headquarters facility requirements, ingress and egress routes and, where necessary, to straighten boundaries or round out acquisitions.

In addition to the lands described in subsection (a) of this section, the land identified as the Punta Gorda Addition and the Southern Additions on the map entitled “King Range National Conservation Area Boundary Map No. 2”, dated July 29, 1975, is included in the survey and investigation area referred to in section 460y of this title.

In addition to the land described in subsections (a) and (c), the land identified as the King Range National Conservation Area Additions on the map entitled “King Range Wilderness” and dated November 12, 2004, is included in the Area.

(Pub. L. 91–476, § 9, Oct. 21, 1970, 84 Stat. 1070; Pub. L. 94–579, title VI, § 602, Oct. 21, 1976, 90 Stat. 2784; Pub. L. 109–362, § 8, Oct. 17, 2006, 120 Stat. 2071.)