131 



I 2lif.5 NICK G.CREEK ( Iliamna I^ke) 



LOCATION: 59°33'12" N. 15lj-°29 '5Jj-" W. 



PREVIOUS NAMES OR NUMBERS: C^l 



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



PHYSICAL DESCRIPTION 



TOTAL LENGTH: k.O miles 



LENGTH ACCESSIBLE TO SALMON: 0-5 mile 



AVERAGE WIDTH: 15' RANGE: 8 '-20' 



AVERAGE DEPTH: lO" RANGE: 8"-15" 



TOTAL ACCESSIBLE SPAWNING AREA: 4,356 square yards (0.9 acre) 



POTENTIAL SPAWNING AREA: 90^, 3,872 square yards (0.8 acre) 



BOTTOM QUALITY: 10^ <l/8", 56^ l/8"-3", 32fo 3"-12", 2^ >12" . Excellent 

 spawning gravel in right fork to falls, some rubble near falls, bottom 

 stable. Left fork nonspavmable due to rubble. 



WATERSHED: 8 square miles. A shallow stream-cut valley through rolling 

 hills forested with spruce, birch, and cottonwood. Falls O.5 mile 

 from mouth impassable. Source: three sma2JL lakes. 



GRADIENT: 50 '/O- 5 mile below falls 



WATER VELOCITY: 2.0 fps 



FLOW: 12 cfs (Aug. k, I961). Measured RANGE: 



on right fork just above forks, 

 normal summer flow. 



AIR TEMPERATURE: 



WATER TEMPERATURE: 



POOLS AND RIFFLES: 



