N 133.0 MOSS CREEK (Lake Nerka) 



LOCATION: 59*2U'48" N. 158'*35 '42" W. 



PREVIOUS NAlvES OR OTlffiERS: 



U.S.G.S. I4AP: Dillingham, Alaska, 1:250,000, I95I 



PHYSICAL DESCRIPTION 



TOTAL LENGTH: X).5 mile 



LENGTH ACCESSIBLE TO SALMON: X).5 mile 



AVERAGE WIDTH: 6.5' RANGE: k'-T 



AVERAGE DEPTH: 2" RANGE: l"-3" 



TOTAL ACCESSIBLE SPAWlilNG AREA: 0.39 acre 



POTEIWIAL SPAWNING AREA: 90^; 0.35 acre 



BOTTCM QUALITY: lOOfp gravel 



WATERSHED: Flows from gentle sloping tvmdra area. Appears to be spring fed. 

 No obstrxactions. 



GRADIENT: 



WATER VELOCITY: Average = 2.5 fps. 



FLOW: U.58 cfs, (Aug. 7, I960). Medivtm RANGE: 



vra,ter level. Flow station 50 yards 

 up fron mouth. 



AIR TEMPERATURE: 11. 7° C. (Aug. 7, I96O); l3.3° C. (Aug. 17, I962) 



;^TER TEI^IPERATURE: 7.8° C. (Aug. 7, I960); 7.8° C. (Aug. 17, I962) 



POOLS AND RIFFLES: No pools. 



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