A llf.7 ICE CRESK (lake Aleknagik) 



LOCATION: 59*20'2U" N. 158%8'l8" W. 



PREVIOUS NAMES OR NUI'IBERS: 



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



PHYSICAL DESCRIPTION 



TOTAL LENGTH: 10 miles 



LEI'JGTH ACCESSIBLE TO SAmON: 10 miles 



AVERAGE WIDTH: 50' EMGE: 35'-90' 



AVERAGE DEPTH: 20" RANGE: ll+"-6o" (Mdstream) 



TOTAL ACCESSIBLE SPAWNING AREA: 6O.6I acres 



POTEIWIAL SPAWNING AREA: 85^' 51. 51 acres 



BOTTOM QUALITY: 90p gravel, 5/^ mud, 5^ sand 



WATERSHED: 26.5 square miles. Long open drainage creek flowing through 

 wide flat valley. Tundra on north side, many side channels, many 

 log jams. 



GRADIENT: 



WATER VELOCITY: Average = 2.8 fps. 



Range = 2.0-3.0 'fps. 



FLOW: 122.6 cfs. (Aug. 21, I96O). RANGE: 



Medium water level. 



AIR TEl'IPERATURE: 12.8" C. (Aug, 12, I960) 



WATER TEI-IPERATURE: 8.3° C. (Aug. 12, I960) 



P00I5 AND RIFFLES: Many narrow deep spots behind log Jams. 



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