ADF STAT. No. 

 144-30 WR 86 



56°15.6' N. 134''07.8' W. Previous No. Ill 



WRANGELL, SUMNER STRAIT, AFFLECK CANAL, B FAR HARBOR, head of N. arm 



MAJOR SPECIES Pink. OTHER SPECIES Chum, echo, red. 



ESCAPEMENT TIMING Middle. Aug. -Sept. ESCAPEMENT MAGNITUDE 



SPAWNING FACILITIES Excellent. 



STREAM TEMPERATURES Cold range. Observed temperatures: 49.5° F. , 9/6/50; 51. 5° F. , 9/16/50; 



47.5° F. , 9/29/50; 50° F. , 9/16/51; 50'" F. , 8/27/51; 49° F. , 9/11/51. 

 VALLEY DESCRIPTION Glacial origin. 

 DRAINAGE 3 square miles (polar planimeter). Precipitation-fed. Fed by snowmelt from surrounding 



snowfields and surface runoff. 

 STREAM MOUTH IDENTIFICATION Stream flows through long grass flats at head of bay. 

 ANCHORAGE The middle and W. arms of this harbor are suitable for anchorage. 

 TRAILS AND SURVEY ROUTES Easily traveled up the streambed. Game trails along banks. 

 AERIAL SURVEY NOTES Aerial visibility is fair. 



INTF.RTIDAL ZONE 



LENGTH 0.6 mile. AVERAGE WIDTH/DEPTH lOO'/lO". 



GRADIENT AND VELOCITIES Gentle to moderate. 

 BOTTOM Fine gravel, sand, and mud. 

 LOW TIDE LOCATION 



HIGH TIDE LOCATION Edge of woods on big tides. 



SCHOOLING AREAS Two large holes in the lower and middle intertidal area. 

 SPAWNING AREAS The upper one-fourth mile has excellen'' spawning gravel and is utilized 

 to a large degree by pink salmon. Above and below this, the bottom is largely silt and sand. 

 GENERAL NOTES 



UPSTREAM 



LENGTH ACCESSIBLE 0. 8 mile. AVERAGE WIDTH/DEPTH 15'/6". 



GRADIENT AND VELOCITIES Moderate. 



BOTTOM Clean, small gravel. 



MARKER DISTANCE 0. 7 mile. 



MARKER IDENTIFICATION Orange circled aluminum square on undersurface of large uprooted tree. 



BARRIERS None. 



TRIBUTARIES None. Stream branches considerably above 0. 7 mile. 



SCHOOLING AREAS One large pool at the head of tidewater; small pools throughout stream. 



SPAWNING AREAS Nearly continuous spawning riffles are found throughout. 



GENERAL NOTES This stream branches just before entering the long tideflats. The main stream enters 



in the extreme SW. corner of the tideflats. The other branch enters about the middle of the tideflats. 



Fish enter both forks when water conditions are favorable. 



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