5 



I 0.0 KVICHAK RIVER ( Iliamna lake) 



LOCATION: 59°OU'5l;" N. 155°53'06" W. 



PREVIOUS IIAMES OR I^14BERS: None 



U.S.G.S. MAP: Illanna, Alaska, 1:250,000 



PHYSICAL DESCRIPTION 



TOTAL LENGTH: 15-3 miles to Otter Island 



LENGTH ACCESSIBLE TO SALMON: 15-3 miles 



AVERAGE WIDTH: 1,000' RANGE: 300 '-2, 300' 



AVEMGE DEPTH: 60" RANGE: 48"-360" 



TOTAL ACCESSIBLE SPAWNING AREA: 8,992,720 square yards (1,858.0 acres) 



POTENTIAL SPAWnNG AREA: 50fo, ij., 1+96,360 sqmre yards (929-0 acres) 



BOTTOM QUALITY: Good spawning gravel from Otter Island to Pecks Creek. 

 Bottom unstable from Pecks Creek to Iliamna Lake. 



V/ATERSHED: 8,000 square miles. Shallow river-cut valley throiagh open 

 rolling tundra. Willow along entire stream. Source, Iliamna lake 

 20 miles x 80 miles. 



GRADIEOT: 



WATER VELOCITY: h-3 fps 



FLOW: 18, COO cfs (estimated) RANGE: 



AIR TEMPERATUxRE: 16.7° C. average for July I96O (29 readings) 



WATER •TEMPERATL'RE : 12.0° C. average for July I96O (25 readings) 



POOLS AND RIFFLES: 



