Pictures 20 Puget Sound Power & Light Company, White River Hydroelectric Project, Dieringer Washington Tweet Butterfly valve for turbine unit no. 2. Beyond is a General Electric AC generator directly connected to turbine unit no. 2 (1989) Turbine valve unit no. 2, looking southwest (1989) Turbine valve unit no. 2, looking southwest (1989) Turbine unit no. 2 and its governor, looking northwest (1989) Governor of turbine unit no. 2, looking northwest (1989) Turbine unit no. 2, looking north (1989)