113-12 POLK CREEK K 165 



55M9.2'N. 132*26.5 W. Previous No. 1421 



KETCHIKAN, CLARENCE STRAIT, SKOWL ARM, POLK INLET, Head 



MAJOR SPECIES Pink, chum OTHER SPECIES 



ESCAPEMENT TIMING Late (estimated) ESCAPEMENT MAGNITUDE 



SPAWNING FACILITIES Fair to good 



STREAM TEMPERATURES Warm range (Observed temperature: 49. 8* F. , 10/4/47). 



VALLEY DESCRIPTION 



DRAINAGE 6.9 square miles (polar planimeter). 



STREAM MOUTH IDENTIFICATION Enters Polk Inlet from the E. about 0. 5 mile from the head of 



the inlet. 

 ANCHORAGE Polk Inlet is unsurveyed, enter with caution. Appears to be clear for about 5 miles within 



the entrance. 

 TRAILS AND SURVEY ROUTES No trails. The stream is easily waded. 

 AERIAL SURVEY NOTES 



INTERTIDAL ZONE 



LENGTH AVERAGE WIDTH/DEPTH 



GRADIENT AND VELOCITIES 



BOTTOM Small rock; some gravel. 



LOW TIDE LOCATION 



HIGH TIDE LOCATION 



SCHOOLING AREAS Most spawning occurs in this area. 



SPAWNING AREAS 



GENERAL NOTES 



UPSTREAM 



LENGTH ACCESSIBLE ' AVERAGE WIDTH/DEPTH 40'/8"-12" 



GRADIENT AND VELOCITIES Moderate to swift 



BOTTOM Boulders and small rock. 



MARKER DISTANCE 



MARKER IDENTIFICATION 



BARRIERS A series of falls begins 250' upstream. These falls block the ascent of salmon. 



TRIBUTARIES 



SCHOOLING AREAS 



SPAWNING AREAS Not exceptionally good spawning area. 



GENERAL NOTES 



ESCAPEMENT RECORD 



[Counts made by ground surveys are designated by G. Aerial surveys by A] 



