A 0.0 WOOD RIVER (Trunk Stream) 



LOCATION: 59°l6'48" N. 158° 36 '48" W. 



PREVIOUS NAMES OR NUMBERS: 



U.S.G.S. MAP: Dillingham, Alaska, 1:250,000, 1951 



PHYSICAL DESCRIPTION 



TOTAL LENGTH: I9.O miles 



LENGTH ACCESSIBLE TO SALMON: 19.O miles 



AVERAGE WIDTH: RAITOE: 250' -500' (Upper section 



only) 



AVERAGE DEPTH: RAI\IGE: 4'-l8' (Upper section 



only) 



TOTj^vL ACCESSIBLE SPAWim^G AREA: 



POTENTIAL SPAWI^II^TG AREA: 



BOTTOM (.QUALITY: 10/3 boulder, 50°/i rubble, 30^ gravel, and 10^ sand and mud 

 in upper section of approximately 2 miles. lOO/o mud and sand below. 



WATERSHED: 1,200 square miles. Drains Wood River lake system composed of 

 five major lakes lying in basins SE. of Wood River Mountains. West end 

 of laKes surrounded by mountains covered with alder; east end of lakes 

 surrounded by flat forested and tundra area. 



GRADIENT: 



WilTER VELOCITY: 



« 



FLOW: 5,0'+8 cf^. (July 8, I960). Normal RAI^E: 

 fall level. 



AIR TEMPERATURE: 



WATER TEl'JPERATURE : Complete seasonal temperature records available at 

 Fisheries Research Institute. 



POOLS AI\ID RIFFLES: Large pool off mission school docK and deep pool just 

 above the smelter. 



