113-13 



55°09. 5' N. 132* 20. 5 1 W. 



K 151 

 Previous No. 134A 



KETCHIKAN, CLARENCE STRAIT, CHOLMONDELEY SOUND, SOUTH ARM, S.W. head 



MAJOR SPECIES Pink, chum OTHER SPECIES 



ESCAPEMENT TIMING Late. Sept. -Oct. ESCAPEMENT MAGNITUDE 



SPAWNING FACILITIES Fair. The upper intertidal zone is reported to be the major spawning area. 



STREAM TEMPERATURES Warm range (Observed temperature: 43* F- , 9/10/49.). 



VALLEY DESCRIPTION The valley runs S. for only a short distance before it splits. One branch goes 



to the base of the mountains to the S. E. , the other to the ridge to the W. 

 DRAINAGE 2. 3 square miles (polar planimeter). Precipitation fed. A snowfield lies in the S. E. corner of 



the valley and probably contributes snow melt at certain times of the year. 

 STREAM MOUTH IDENTIFICATION The stream enters the S. W. corner of the head of South Arm. 



A large grass flat is found at the mouth. 

 ANCHORAGE See Disappearance Creek (K 150). 



TRAILS AND SURVEY ROUTES Travelis easy along the stream bed. No trails. 

 AERIAl SURVEY NOTES For best aerial coverage of this stream fly up the N. side of the valley and 



down the S. side. 

 GENERAL NOTES A small stream having a good escapement at times. 



INTERTIDAL ZONE 



LENGTH 150 yards A VER AGE WID TH / DEP TH lS'/24" 



GRADIENT AND VELOCITIES Moderate 



BOTTOM Gravel and rubble 



LOW TIDE LOCATION 



HIGH TIDE LOCATION 



SCHOOLING AREAS 



SPAWNING AREAS The upper part of this zone is spawned in heavily by both chum and pink. 



GENERAL NOTES 



UPSTREAM 



LENGTH ACCESSIBLE 

 GRADIENT AND VELOCITIES 

 BOTTOM Gravel and small rock. 

 MARKER DISTANCE 

 MARKER IDENTIFICATION 

 BARRIERS None 

 TRIBUTARIES About 

 SCHOOLING AREAS 

 SPAWNING AREAS Limited. 

 GENERAL NOTES 



AVERAGE WIDTH/DEPTH 1 2' - 30 ' / 1 " - 15 " 



Moderate 



