101-52 K 4A 
N55°15 W130°06.6 Previous No. 2A 
KETCHIKAN, PORTLAND CANAL, HALIBUT BAY, N.E. at head 
MAJOR SPECIES Pink and chum OTHER SPECIES 
ESCAPEMENT TIMING Middle. Aug. -Sep. ESCAPEMENT MAGNITUDE <2, 000 
SPAWNING FACILITIES Excellent, though limited. 
STREAM TEMPERATURES Coldrange. 45° F. in mid-Sep. 1950. 
VALLEY DESCRIPTION Stream cut. A short valley less than 5 miles long. 
DRAINAGE The stream originates in 2 cirques with early snow fields. Probably dependent upon precipitation 
during Aug. -Sep. 
STREAM MOUTH IDENTIFICATION Entersstream K4 in lower intertidal zone. 
ANCHORAGE See K 4 (Previous No. 2). 
TRAILS AND SURVEY ROUTES Stream bed easily walked. Take either split upstream to falls and return 
down other. 
AERIAL SURVEY NOTES Over 75% of stream visible from the air. 
INTERTIDAL ZONE 
LENGTH .-3 miles AVERAGE WIDTH/DEPTH 20!/12" 
GRADIENT AND VELOCITIES 1° at 2! per second 
BOTTOM Clean, water rounded gravel to 4" diameter. 
LOW TIDE LOCATION At point of entry into K 4; 300 yards above low water. 
HIGH TIDE LOCATION At entry into woods. 
SCHOOLING AREAS Several small pools around the high tide point. 
SPAWNING AREAS _ Throughout entire intertidal zone. 
GENERAL NOTES 
UPSTREAM 
LENGTH ACCESSIBLE .4 miles AVERAGE WIDTH/DEPTH 25'/18" 
GRADIENT AND VELOCITIES 1° at 2! per second 
BOTTOM _ Gravel, clean and water rounded, to 4" diameter. 
MARKER DISTANCE .4 miles 
MARKER IDENTIFICATION Falls. 
BARRIERS Marker falls is considered impassable to salmon. 
TRIBUTARIES Split in stream .3 miles above high tide is not a tributary. 
SCHOOLING AREAS Scattered shallow pools. 
SPAWNING AREAS _ Throughout stream to falls. 
GENERAL NOTES The stream bed is twice the width of the stream during normal water levels and may indicate 
that considerable fluctuations in discharge occur. 
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 23 G1.0ASI,FWS 3,000 3, 000 fish off mouth 
1949 
July 19 G5) FRI i 
1950 
Sep 10 Case EBL 760 Al 12 
1953 
Aug 13 A .O FWS 800 fish present 
Aug 25 A .O FWS Fair. 1-2,000. Fair at mouth 
Sep 26 G .O0 FWS No fish. At extreme flood stage 
