101-22 BASIN CREEK K 44- 
N55°48.9 W130°53.7 No Previous No. 
KETCHIKAN, BEHM CANAL, CHICKAMIN RIVER SYSTEM, S. shore 1 mile above Chickamin Slough confluence 
with main river 
MAJOR SPECIES Pink, chum OTHER SPECIES 
ESCAPEMENT TIMING Early. July-Aug. ESCAPEMENT MAGNITUDE <1,000 
SPAWNING FACILITIES Very limited. 
STREAM TEMPERATURES Normal range (Estimated). 
VALLEY DESCRIPTION Glacial origin. Accessible stream valley is old split from main river and still receives 
flooding main river water through flood channel above Basin Creek entry into slough. 
DRAINAGE 3-4 square miles (Estimated). Snowfields and precipitation fed. Bare rock areas throughout, rapid 
run-off. 
STREAM MOUTH IDENTIFICATION Amber colored slough waters entering main river, have been reported 
as "Turbid Blue. " Lower slough up to 50-60! wide and 4-5' deep. 
ANCHORAGE See Chickamin River K 44. 
TRAILS AND SURVEY ROUTES Skiff may be taken almost .4 mile up slough to shallow riffle areas near 
end of accessible stream. 
AERIAL SURVEY NOTES Not surveyed by air. 
INTERTIDAL ZONE 
Basin Creek is a tributary to the Chickamin River K 44, therefore, it has no intertidal zone. 
UPSTREAM 
LENGTH ACCESSIBLE .6 mile. AVERAGE WIDTH/DEPTH  30!/12-24" 
GRADIENT AND VELOCITIES .5-1° at 1-2' per second 
BOTTOM Silt, sand and fine gravel. 
MARKER DISTANCE .6 mile. 
MARKER IDENTIFICATION Barrier Falls. 
BARRIERS Beariers falls repcrted 29! hick. 
TRIBUTARIES None below barrier falls. 
SCHOOLING AREAS Slough is used by schooling salmon. However, many of the schooling fish pass on up the 
main river. 
SPAWNING AREAS Limited to the upper stream area by the low current velocities in the slough. There are about 
100 yards of spawning area below the barrier falls to the slough. 
GENERAL NOTES 
ESCAPEMENT RECORD 
[Counts made by ground surveys are designated by G. Aerial surveys by A] 
SURVEYED PINK CHUM OTHER SPECIES REMARKS 
Date Miles By Live Dead Live Dead Live Adjective Rating 
1949 
July 20 FRI Chum, pink present at mouth 
1951 
