A 4.3 BIG WHITEFISH CREEK (Lake Aleknagik) 



LOCATION: 59°l6'l8" N. 158%0'30" W. 



PREVIOUS NAMES OR NUMBERS: 



U.S.G.S. MAP: Dillingham, Alaska, 1:250,000, I95I 



PHYSICAL DESCRIPTION 



TOTAL LENGTH: 1.6 miles 



LENGTH ACCESSIBLE TO SALMON: 1.6 miles 



AVERAGE WIDTH: 10' RANGE: 6'-l8' 



AVERAGE DEPTH: 12" RANGE: 6"-30" 



TOTAL ACCESSIBLE SPAWNING AREA: I.9U acres 



POTENTIAL SPAWNING AREA: ^%; 1.45 acres 



BOTTOM QUALITY: 50^:, gravel, ZOffi rubble, 20^ sand, mM, and clay 



WATERSHED: 4.5 sqxaare miles. Creek traverses forested hills and narrow 

 tvmdra areas. Tro tundra lakes in a series serve as a source. Larger 

 tundra lake O.5 square mile. Since 1957^ two beaver dams just below 

 lake. 



GRADIENT: 



WATER VELOCITY: Average =2.8 ?p.s. 



Range = I.O-3.5 £ps. 



FLOW: 15.0 oils. (Aug. 11, I961). Normal RANGE: 

 fall level. Flow station 100 feet 

 up from mouth. 



AIR TEMPERATURE: 



WATER TEMPERATURE: 15.3° C. (Aug. 10, I962) 



POOLS AI© RIFFLES: Several deep areas positioned near cutbanks one-half mile 

 below Whitefish lake. 



