Colombia River Gorge National Scenic Area Act (P.L. 99-663).

A National Scenic Area is established and certain areas of the Area are designated as special management areas under section 4. A Columbia River Gorge Commission, which is a regional agency, shall be established by way of an interstate agreement between the States of Oregon and Washington. The Commission shall prepare a scenic area management plan under section 6. The Commission shall also develop land use designations within 2 years of its establishment. Sections 7 and 8 provide for the administration of the Scenic Area and the special management areas. (18 sections)