111-30 K 55A 
N55°54.3 W131°50 Previous No. 51A 
KETCHIKAN, BEHM CANAL, SPACIOUS BAY, Head of cove N. of Square Island 
MAJOR SPECIES Pink OTHER SPECIES Chum 
ESCAPEMENT TIMING Late. Sep. -Oct. ESCAPEMENT MAGNITUDE 
SPAWNING FACILITIES Excellent, though limited by the small size of the stream. The intertidal zone has 
facilities in the high tide area. The extent of the upstream facilities is unknown. 
STREAM TEMPERATURES Warm range (estimated). 
VALLEY DESCRIPTION Cove lies between a low ridge on the E. and mountains to 2,000! in elevation on the 
W. The valley extends N. W. up the slope of the mountain S. of the pass to Santa Anna Inlet. 
DRAINAGE 6 square miles (Polar Planimeter). Precipitation fed. Muskeg areas throughout the slope of the mountain. 
Small pond 1 mile from mouth on small tributary on E. side of stream. 
STREAM MOUTH IDENTIFICATION A narrow constriction joins the cove with the broad intertidal flats. 
Extensive sand flats throughout intertidal zone. 
ANCHORAGE Near shore on either side of the constriction outlet. 
TRAILS AND SURVEY ROUTES None reported. 
AERIAL SURVEY NOTES Not surveyed by air. 
INTERTIDAL ZONE 
LENGTH .6 miles AVERAGE WIDTH/DEPTH 20-25'/12-18" 
GRADIENT AND VELOCITIES .5° at 1-2! per second 
BOTTOM _ Sand, some gravel in the upper streambed. 
LOW TIDE LOCATION Midway through the constriction. 
HIGH TIDE LOCATION Head of the intertidal flats at the point stream enters woods. 
SCHOOLING AREAS Schooling has been observed at the head of the cove and in pools in the intertidal zone 
near high tide. 
SPAWNING AREAS Riffles in the gravel areas around high tide. 
GENERAL NOTES 
UPSTREAM 
LENGTH ACCESSIBLE Greater than 1 mile AVERAGE WIDTH/DEPTH  15-20'/12-18" 
GRADIENT AND VELOCITIES 1° at 2' per second 
BOTTOM Sand and gravel. 
MARKER DISTANCE 
MARKER IDENTIFICATION 
BARRIERS None in 1 mile. 
TRIBUTARIES Small tributary enters from W. 1.4 miles upstream. Drains muskeg slope of mountain. 
SCHOOLING AREAS 
SPAWNING AREAS 
GENERAL NOTES Information on this stream is limited. However, the stream is considered to be a good, small 
spawning stream. 
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 
1940 
Sep 18 FWS Some pink 
1947 
Sep 6 G .5 FRI 15 Few jumps at mouth 
1953 
Sep 11 G1.0 FWS 7 1 25 2 9 coho 
