68 

 I 106.6 MINK CREEK ( Iliamna Lake) 



LOCATION: 59*%8'l8" N. 15l+°l8'U8" W. 



PREVIOUS NAMES OR NUMBERS: Fl 



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



EIYSICAL DESCRIPTION 



TOTAL LENGTH: 3-8 miles 



LENGTH ACCESSIBLE TO SALMON: 3-8 miles 



AVERAGE WIDTH: 12' RANGE: 6'-15' 



AVERAGE DEPTH: 12" RANGE: 6"-2U" 



TOTAL ACCESSIBLE SPAWNING AREA: 26,620 square yards (5-5 acres) 



POTENTIAL SPAWNING AREA: 53/0, ll+,036 square yards (2.9 acres) 



BOTTOM QUALITY: 19^ <l/8", 29/^ l/8"-3", kjio 3"-12", % >12". Fair smwning 

 gravel to forks. Poor spawning facilities beyond forks due to coarse 

 "bottom. Bottom stable. 



WATERSHED: 6 sq\jare miles. Heads on north side of Knutson Mountain and flows 

 through a shallow stream- cut valley. Spruce and birch forest and dense 

 willow thickets along stream. Source: mainly surface runoff. 



GRADIENT: 263 '/mile 



WATER VELOCITY: 1.0 fps 



FLOW: 10 cfs (July 23, I962). Measured RANGE: 

 at mouth, normal summer flow. 



AIR TEMPERATURE: 22.0° C. (July 23, I962) 



WATER TEMPERATURE: l6.0° C. (July 23, I962) 



P00I£ AND RIFFLES: 



