Title: A study of existence and sport values for doubling the size of the Columbia River Basin salmon and steelhead runs / by Darryll Olsen, Jack Richards, R. Douglas Scott ; prepared for North Pacific Division, U.S. Army Corps of Engineers
Subjects: Economic aspects of Pacific salmon, Economic aspects of Steelhead (Fish), Fishery management, Pacific salmon, Steelhead (Fish)
Places: Columbia River Watershed