B 53.7 MCX)SE CREEK (lake Beverley) 



LOCATION: 59*38 '51^" N. 158*35 '3B" W. 



PREVIOUS NAMES OR NUMBERS: 



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



PHYSICAL DESCRIPTION 



TOTAL lENGTH: 6 miles (Longest branch) 



lENGTH ACCESSIBIE TO SAIM)N: 6 miles (Most years) 



AVERAGE WIDTH: 60' RANGE: 30'-80' 



AVERACS DEPTH: 22" RANGE: l8"-60" 



TOTAL ACCESSIBLE SPAWNING AREA: k3.6k acres 



POTENTIAL SPAWNING AREA: 60^j 26. IS acres 



BOTTOM QUALITY: 705& gravel, ID^ rubble, 20^ ssmd, m\ad,and clay. A few 

 bouMers in section O.5 mile upstream. 



WATERSHED: 11 square miles. Drains flat mixed rorested and tundra axeas. 

 Some beaver dams. 



GRADIENT: 



WATER VELOCITY: Average =2.5 fps 



Range = 1.2-3.0 fps 



FLOW: 336 cfs (Aug. k, I960). Very RANGE: 

 high vater level. 



125 cfs (Aug. 19, 1961). Normal 

 fall vater level. Flow station at 

 mouth. 



AIR TEMPERATURE: 12.2** C. (Aug. k, I960); iB.o" C. (Aug. 28, I962) 



WATER TEMPERATURE: 11. 7° C. (Aug. h, I960); 13.1° C. (Avig. 28, I962) 



P00I5 AND RIFFLES: Several pools formed by beaver dams. 



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