16 U.S. Code § 544. Columbia River Gorge National Scenic Area; definitions
As used in sections 544 to 544p of this title, the term—
(a) “adversely affect” or “adversely affecting” means, except as used in section 544m of this title, a reasonable likelihood of more than moderate adverse consequences for the scenic, cultural, recreation or natural resources of the scenic area, the determination of which is based on—
the intensity of a proposed action, including the magnitude and duration of an impact and the likelihood of its occurrence;
the relationship between a proposed action and other similar actions which are individually insignificant but which may have cumulatively significant impacts; and
(j) “major development actions” means any of the following:
subdivisions, partitions and short plat proposals;
the exploration, development and production of mineral resources unless such exploration, development or production can be conducted without disturbing the surface of any land within the boundaries of a special management area or is for sand, gravel and crushed rock used for the construction, maintenance or reconstruction of roads within the special management areas used for the production of forest products; and
(l) “open spaces” means unimproved lands not designated as agricultural lands or forest lands pursuant to section 544d of this title and designated as open space pursuant to section 544d of this title. Open spaces include—
scenic, cultural, and historic areas;
ecologically and scientifically significant natural areas;
archaeological sites, Indian burial grounds and village sites, historic trails and roads and other areas which are culturally or historically significant;
Federal and State wild, scenic, and recreation waterways;
References in Text
Federal Endangered Species Acts, referred to in subsec. (l)(3), are classified principally to chapter 35 (§ 1531 et seq.) of this title.
Change of Name
The Confederated Tribes and Bands of the Yakima Indian Nation shall be known and designated as the ‘Confederated Tribes and Bands of the Yakama Indian Nation’.
Any reference in a law (including any regulation), map, document, paper, or other record of the United States to Confederated Tribes and Bands of the Yakima Indian Nation referred to in subsection (a) shall be deemed to be a reference to the ‘Confederated Tribes and Bands of the Yakama Indian Nation’.”
The Confederated Tribes and Bands of the Yakama Indian Nation shall be known and designated as the ‘Confederated Tribes and Bands of the Yakama Nation’.
 See Change of Name notes below.