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55*29. 4- N. 132-40' W. MAYBESO CREEK K 177 



Previous No. 144B 

 KETCHIKAN, CLARENCE STRAIT, KASAAN BAY, TWELVEMILE ARM , N. shore 10 miles trom head 



MAJOR SPECIES Pink, chum OTHER SPECIES Coho, red 



ESCAPEMENT TIMING Middle. Aug. -Sept. ESCAPEMENT MAGNITUDE 



SPAWNING FACILITIES Fair in the upper intertidal zone and good above the falls. Pink and chum are some- 

 times restricted to the intertidal zone. 



STREAM TEMPERATURES Warm range. (Observed temperature: 48* -53* F. , 1950; 46* -54* F. , 1951). 



VALLEY DESCRIPTION Glacial origin. The valley has slopes of moderate gradient. This area has been 

 partially logged off. Numerous tributary valleys. 



DRAINAGE 21 square miles (polar planimeter). Precipitation fea. A large snowfield is found on the western 

 slope of the valley. A few scattered muskeg areas. 



STREAM MOUTH IDENTIFICATION Enters the HoUis anchorage just E. of the old village of HoUis. 

 A large tide flat is found at the mouth, the stre am runs nearly through the middle of it. 



ANCHORAGE Refer to Harris River (K 176). 



TRAILS AND SURVEY ROUTES A road runs from HoUis to the stream, where a bridge may be crossed. 

 Also a road leaves the bay 0. 2 mile N. E. of the creek mouth and goes to the headwaters about 6 miles 

 upstream. 



AERIAL SURVEY NOTES The open valley offers good visibility for aerial survey. 



GENERAL NOTES Both sides of the valley have been heavily logged. 



INTERTIDAL ZONE 



LENGTH >0.5mile AVER A GE WID TH/ DEPTH 



GRADIENT AND VELOCITIES 



BOTTOM Largely mud and sand in lower part, some gravel above. 



LOW TIDE LOCATION At south edge of tide flat. 



HIGH TIDE LOCATION At the foot of the first falls. 



SCHOOLING AREAS Schooling is heavy in the deep pool below the falls. 



SPAWNING AREAS Spawning occurs in the upper part of this zone. 



GENERAL NOTES 



UPSTREAM 



LENGTH ACCESSIBLE 5 miles A VERA GE WIDTH/ DEPTH 30'/10" 



GRADIENT AND VELOCITIES Variable 



BOTTOM Bedrock to gravel. 



MARKER DISTANCE 



MARKER IDENTIFICATION 



BARRIERS Two falls are present. The first 450' upstream is a 4' falls, 50' above is a 6' falls. Above this 



there is a series of cascades. These present a partial block to pink and chum. 

 TRIBUTARIES 

 SCHOOLING AREAS 

 SPAWNING AREAS Good spawning areas are available above the falls, the area immediately below the 



falls is used extensively. 

 GENERAL NOTES Has approximately 4 miles of length suitable for spawning for fish that get over the 



falls at the head of the tidal zone. 



