212 

 C 98-5 CHOKOrONK RIVER (Lake Clark) 



LOCATION: 60'26'00" N. 153 "36 '24" W. 



PREVIOUS NAMES OR NU>ffiERS: None 



U.S.G.S. MAP: Lake Clark, 1:250,000 



PHYSICAL DESCRIPTION 



TOTAL LENGTH: 19-0 miles 



LENGTH ACCESSIBLE TO SAmON: I9.O miles 



AVERAGE WIDTH: 100' RANGE: 



AVERAGE DEPTH: RANGE: 



TOTAL ACCESSIBLE SPAWNING AREA: l,llU,652 square yards (23O.3 acres) 



POTENTIAL SPAWiaNG AREA: 0$, square yards 



BOTTOM QUALITY: Sand, silt, unstable. 



WATERSHED: 29^ square miles. A deep glacial valley heavily forested with 

 spruce, birch, and cottonwood on valley floor, barren above. Subject to 

 frequent severe flooding, glacial. Source: surface runoff and glaciers. 



GRADIENT: Ul'/raile 



WATER VELOCITY: 2.0 fps (July Ik, I962) 



FLOW: RANGE: 



AIR TEMPERATURE: 13.0° C. (July ik, I962) 



WATER TEMPERATURE: 11.0° C. (July lJ|, I962) 



POOLS AND RIFFLES: 



