71 p. A report submitted to the National Resources Committee and the state planning boards of Washington and Oregon by the Pacific Northwest Regional Planning Commission, Columbia Gorge Committee, detailing the findings of their study of ways to conserve the scenic beauty of the Columbia River Gorge.
261 p. The purpose of the Columbia River and Tributaries Study is to provide an up-to-date (1974) review of the main Columbia River system development. This study inventories and examines problems and areas of concern known to public and governmental agencies and includes comments on the status and tentative disposition of proposed action on many of these concerns.