399 p. Written by the U. S. Department of the Interior, this document outlines a plan for the use of water and other physical resources of the Columbia River Basin. Presented in the report are descriptions of the basin's natural resources, its people, their use of the resources, as well as related investigations and summaries on affiliated problems and possibilities. As to use of physical resources, the principal emphasis is upon water utilization. This 1947 edition was issued in advance of its publication as a Congressional Document; it includes black and white photos, and numerous maps covering power facilities, developed and undeveloped land, and water resources.