102 



I 156.8: I.UL bear creek (Iliamna River) 



LOCATION: 59°1^3•l+8" N. IJS^se'OO" W. 



PREVIOUS NAMES OR NUMBERS: D8a 



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



PHYSICAL DESCRIPTION 



TOTAL LENGTH: 5.5 miles 



LENGTH ACCESSIBLE TO SALMON: O.9 mile 



AVERAGE WIDTH: 12' RANGE: 7 '-20' 



AVERAGE DEPTH: 12" RANGE: 8"-l8" 



TOTAL ACCESSIBLE SPAWNING AREA: 6,292 square miles (I.3 acres) 



POTEIMTIAL SPAWNING AREA: 2hio, 1,^52 square miles (0-3 acre) 



BOTTOM QUALITY: l8fo <l/8", 26/0 l/8"-3", 3^ 3"-12", 22^ >12". Good spawning 

 gravel in ponds, stream facilities poor except for suitable gravel 

 patches. Bottom vmstable in lover part. 



WATERSHED: 7 sq\:iare miles. Lower Creek flows across Iliamna River valley, 

 upper part through steep, stream-cut canyon. Cottonwood, willow, and 

 spruce along stream. Subject to frequent flood and channel changes 

 below ponds. Beaver dams sometimes block passage to ponds. Source: 

 springs, surface runoff. 



GRADIENT: 



WATER VELOCITY: 1.0 fps 



FLOW: 10 cfs (July 22, I962). Measured RANGE: 

 just above mouth, normal summer flow. 



AIR TEMPERATURE: 23.0° C. (July 22, I962) 



WATER TEMPERATURE:: e.G** C. (July 22, I962) 



POOLS AND RIFFLES: 



