ADF STAT, No. 

 144-62 CALDER CREEK WR 93 



S6''12.4' N. 133°31.4' W. Previous No. 126 



".VRANGELL, SUMNER STRAIT, SHAKAN BAY, CALDER BAY, Head- 



MAJOR SPECIES Pink. OTHER SPECIES Chum, coho, red- 



ESCAPEMENT TIMING Middle. Aug. -Sept. ESCAPEMENT MAGNITUDE 



SPAWNING FACILITIES Good. 

 STREAM TEMPERATURES Cold range. Observed temperatures: 47° F. , 8/14/51; 4 6° F. , 8/25/51; 



44''F. , 9/10/51j 48.5"^, 9/23/51; 47"^ , 8/16/52; 46° F. , 8/26/52; 44' F. , 9/7/52; 44° F. , 



9/16/52; 49° F., 8/16/53; 45°F. , 8/24/53; 4 8. 5° F. , 9/10/53; 46. 5° F. , 9 /20/53. 

 VALLEY DESCRIPTION The E. fork flows through a flat valley with moderate gradient, timbered 



with tall spruce and cedar. The W. fork lies in a valley narrower than that of the E. fork, becoming 



steeper sided upstream. 

 DRAINAGE 14 square miles (polar planimeter). Precipitation-fed. Snowmelt from the snowfields at 



the headwaters and surface runoff are this stream's major water source. 

 STREAM MOUTH IDENTIFICATION Enters a tideflat 1 mile long and 0. 5 mile wide. The stream 



enters tlie tideflat in the NW. cornsr and flows across the flat to the S F.. corner. 

 ANCHORAGE Colder Bay dries to 0. 4 mile from the bay entrance. Anchorage may be found near the 



entrance to the bay. 

 TRAILS AND SURVEY ROUTES Both forks are easily waded. The E. fork hjs numerous long gravel 



bars and a logging road is found a short distance above the forks which can be traveled. The E. fork 



has brushy banks. 

 AERIAL SURVEY NOTES 



INTERTIDAL ZONE 



LENGTH 1 mile. A VER A GE WI DTH / D EPTH 25'-30V6" -8". 



GRADIENT AND VELOCITIES Gentle. 



BOTTOM Sand and gravel. 



LOW TIDE LOCATION 



HIGH TIDE LOCATION 



SCHOOLING AREAS A few moderately deep pools. 



SPAWNING AREAS This zone is made up largely of riffles. Both chum and pink salmon spawn in this area. 



UPSTREAM 



LENGTH ACCE S SIBLE >0.5mile. A VER A G E WI DT H / DEP TH 40'/10". 



GRADIENT AND VELOCITIES Moderate. 



BOTTOM Gravel below, larger rock above. 



MARKER DISTANCE 



MARKER IDENTIFICATION 



BARRIERS None. 



TRIBUTARIES A good sized tributary enters the W. fork 0. 2 mile above the forks. Several other smaller 



tributaries enter both the E. and W. forks. 

 SCHOOLING AREAS Both forks have occasional pools. 

 SPAWNING AREAS The E. fork is the largest fork and has the most available spawning gravel. 



Good gravels are also found in the lower one-fourth mile of the W. fork. 

 GENERAL NOTES 



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