78 



I 131.9 PEDRO CREEK AND PONDS ( Iliamna lake) 



LOCATION: 59°47'00" N. 15l4-°07'12" W. 



PREVIOUS NAMES OR NUMBERS: E2 



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



PHYSICAL DESCRIPTION 



TOTAL LENGTH: To east ponds 2.0 miles, to west ponds 1.5 miles 



LENGTH ACCESSIBLE TO SALMON: 2.0 and I.5 miles respectively 



AVERAGE WIDTH: 10' at creek mouth RANGE: 



AVERAGE DEPTH: I8" at creek mouth and RANGE: 

 in ponds 



TOTAL ACCESSIBLE SPAWNING AREA: 18,876 sqmre yards (3.9 acres) 



POTENTIAL SPAWNING AREA: 100^, 18,876 square yards (3-9 acres) 



BOTTOM QUALITY: Good gravel in all ponds, bottom stable. 



WATERSHED: h square miles. A broad flat between Pedro Bay and Knutson Bay. 

 Dense spruce, cottonwood, and birch forest surroimd pond area, open marsh 

 along creek. Source: springs. 



GRADIENT: 



WATER VELOCITY: 0.1-0. 5 fps at creek mouth, 1.0 fps between ponds 



FLOW: 10 cfs (station, date \xnknown) RANGE: 



AIR TEMPERATURE: 



WATER TEMPERATURE: 



POOLS AND RIFFLES: 



