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 EngineersDarryll Olsen · First published 1990Open the Tome
Morgan's JourneyRachel Joy, Rachel Olsen, Samantha Washington, Murray Douglas · First published 2012Open the Tome
