71 



I 112.7 KMJTSON CREEK ( Iliamna lake) 



LOCATION: 59°U8'06" N. 15i^*'09'l8" W. 



PREVIOUS NAMES OR NUMBERS: E5 



U.S.G.S. MAP: Iliamna, 1:250,000 



PHYSICAL DESCRIPTION 



TOTAL LENGTH: 12.5 miles 



LENGTH ACCESSIBLE TO SALMON: 12.5 miles 



AVERAGE WIDTH: UO ' RANGE: 25 '-50' 



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



TOTAL ACCESSIBLE SPAWNING AREA: 293,30ij- square yards (6O.6 acres) 



POTENTIAL SPAWNING AREA: 30^, 88,088 square yards (l8.2 acres) 



BOTTOM QUALITY: Streamted composed almost entirely of large boulders 



except near mouth where some gravel and rubble occur. Bottom unstable. 



WATERSHED: k& square miles. A glacial valley heavily forested with spruce, 

 birch, and cottonwood. Subject to severe flooding. Source: svirface 

 runoff. 



GRADIENT: l68'/mile 



WATER VELOCITY: 2.0 fps 



FLOW: 90 cfs (July 23, 19^2) . Measured RANGE: 

 at 1 mile, normal simmer flow. 



AIR TEMPERATURE: 



WATER TEMPERATURE: 



POOLS AND RIFFLES: 



