33 



1 6h.S LITTI£ ROADHOUSE CREEK ( Iliamna Lake) 



LOCATION: 59'^5'06" N. 15U%9'36" W. 



PREVIOUS NAMES OR MJ>fflERS: FIO 



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



PHYSICAL DESCRIPTION 



TOTAL UENGTH: 6.5 miles 



LENGTH ACCESSIBLE TO SALMON: 6.5 miles 



AVERAGE WIDTH: 15' RANGE: 10' -30' 



AVERAGE DEPTH: 8" RANGE: 6 "-24" 



TOTAL ACCESSIBLE SPAWNING AREA: 57,112 square yards (11.8 acres) 



POTENTIAL SPAWNING AREA: kl^i, 26,620 square yards (5-5 acres) 



BOTTOM QUALITY: 2^^ <l/8", 75^ l/8"-3", l/o 3"-12". Fair gravel to k miles, 

 silt and hardpan beyond k miles. Bottom fairly stable. 



WATERSHED: 13 square miles. A shallow stream-cut valley across a flat, 

 sparsly forested area, thick willow brush along stream course. Source: 

 a small lake. 



GRADIENT: 2i^'/mile 



WATER VELOCITY: 2.0 fps 



FLOW: 15 cfs (June 22, I962). Measured RANGE: 

 at mouth, normal summer flow. 



AIR TEMPERATURE: 15.0° C. (Jvine 22, I962) 



WATER TEMPERATURE: 10.0° C. (June 22, I962) 



POOI£ AND RIFFLES: 



