144-10 



56* 36. 5' N. 133°48. 9' W. 



WR AN CELL, SUMNER STRAIT, THREEMILE ARM, in cove S miles E. of head. 



ADF STAT. No. 



WR 68 



Previous No. 93 



FWS No. 69 



MAJOR SPECIES Pink. OTHER SPECIES Chum, coho. 



ESCAPEMENT TIMING Middle. Aug. -Sept. (est. ) ESCAPEMENT MAGNITUDE 



SPAWNING FACILITIES 



STREAM TEMPERATURES Normal range. No observed temperatures. 



VALLEY DESCRIPTION 



DRAINAGE 8 square miles (polar planimeter). 



STREAM MOUTH IDENTIFICATION 



ANCHORAGE The arm offers good anchorage in 5 to 8 fathoms. 



TRAILS AND SURVEY ROUTES 



AERIAL SURVEY NOTES 



INTERTIDAL ZONE 



LENGTH 



GRADIENT AND VELOCITIES 



BOTTOM 



LOW TIDE LOCATION 



HIGH TIDE LOCATION 



SCHOOLING AREAS 



SPAWNING AREAS 



GENERAL NOTES 



AVERAGE WIDTH/DEPTH 



UPSTREAM 



LENGTH ACCESSIBLE 

 GRADIENT AND VELOCITIES 

 BOTTOM Gravel. 

 MARKER DISTANCE 

 MARKER IDENTIFICATION 

 BARRIERS 

 TRIBUTARIES 

 SCHOOLING AREAS 

 SPAWNING AREAS 

 GENERAL NOTES 



AVERAGE WIDTH/DEPTH 30'/18" 



57 



