101-31 NARROW FASS CREEK K 68 
N55°19.9 W131°03.2 Previous No. 68 
KETCHIKAN, BEHM CANAL, W. shore 2 miles N. W. of Rudyerd Island 
MAJOR SPECIES Pink OTHER SPECIES Chum, coho 
ESCAPEMENT TIMING Late. Sep. -Oct. ESCAPEMENT MAGNITUDE <2,000 
SPAWNING FACILITIES Spawning riffles limited by bedrock, boulders and barrier falls. Sand and gravel riffles 
are available. 
STREAM TEMPERATURES Warm range (estimated). 
VALLEY DESCRIPTION Stream flows from ridge through low gradient muskeg areas. Lower section of stream 
area trenched parallel to shoreline by either glacial grooving or sedimentary folded structure. Numerous pothole 
lakes. 
DRAINAGE  12square miles (Polar Planimeter). Precipitation fed through a series of small pothole lakes scattered 
through the muskeg areas. Dendritic stream drainage pattern. 
STREAM MOUTH IDENTIFICATION N.W. shore of upper cove above Narrow Pass has a narrow tree-lined 
mouth with a short point extending out on the N. side. 
ANCHORAGE Shallow anchorage off point dividing the northern and middle coves. 
TRAILS AND SURVEY ROUTES 
AERIAL SURVEY NOTES Not surveyed by air. 
INTERTIDAL ZONE 
LENGTH .2miles AVERAGE WIDTH/DEPTH 60-80'/18-24" 
GRADIENT AND VELOCITIES 1° at 2-3' per second 
BOTTOM Bedrock, boulders, little sand or gravel. 
HIGH TIDE LOCATION At second bend .1 miles above entry into woods. Bend is 90° toward N. 
SCHOOLING AREAS 
SPAWNING AREAS Limited. 
GENERAL NOTES 
UPSTREAM 
LENGTH ACCESSIBLE .2 miles AVERAGE WIDTH/DEPTH 70!/24" 
GRADIENT AND VELOCITIES 3° at 3-4' per second 
BOTTOM Bedrock, boulders, gravel areas below falls. 
MARKER DISTANCE .2 miles. 
MARKER IDENTIFICATION Barrier falls estimated to be 50' in height. 
BARRIERS Falls completely block salmon migration. 
TRIBUTARIES Small tributary enters N. side below falls with poor spawning facilities and barrier falls 400' upstream. 
SCHOOLING AREAS 
SPAWNING AREAS Riffles below falls. 
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 
1947 
Oct 4 G .3 £4¥FRI 500 100 100 coho Some fish off the mouth 
