36 



1 Gf.k HUDSON'S PONDS ( Iliamna Lake) 



LOCATION: 59%5'36" N. 15J^Vo8" W. 



PREVIOUS NAMES OR NUMBERS: F9 McCallick Creek ponds 



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



PHYSICAL DESCRIPTION 



TOTAL LENGTH: 1 mile 



LENGTH ACCESSIBLE TO SALIvlON: 1 mile 



AVERAGE WIDTH: Creek 2', 1st pond 27' RANGE: l'-3' creek 

 wide and 36 ' long , 2d pond k'J ' wide 

 and 165 ' long 



AVERAGE DEPTH: 12" in ponds, 6" in creek RANGE: 8"-l6" in ponds, ij-"-12" 



in creek 



TOTAL ACCESSIBLE SPAWNING AREA: 968 square yards (0.2 acre) 



POTEIOTIAL SPAWIHNG AREA: 100^, 968 square yards (0.2 acre) 



BOTTOM QUALITY: 10^ <l/8", 9O/0 l/8"-3". Excellent gravel in ponds. Creek 

 is mostly sand. Bottom in ponds stable. 



WATERSHED: 1 square mile. Stream flows through shallow stream-cut valley, 

 sparsely forested with spruce, ponds surrounded by willow and alder. 

 Source : springs . 



GRADIENT: 



WATER VELOCITY: 1.0 fps in creek 



FLOW: 1.5 cfs (Aug. 1?, 1961). Measured RANGE: 

 at outlet of pond, normal summer flow. 



AIR TEMPERATURE: 



WATER TEMPERATURE: U.0° C. (Aug. 1?, I961) 



P00I£ AND RIFFLES: 



