ADF STAT. No. 

 142-50 THOMS CREEK WR 27 



56*11.1' N. 132°0S.81 W. Previous No. 35 



WRANGELL, ZIMOVIA STRAIT, THOMS PLACE, Head. 



MAJOR SPECIES Pink. OTHER SPECIES Chum, red. 



ESCAPEMENT TIMING Middle. Aug. -Sept. ESCAPEMENT MAGNITUDE Est. 15,000 8/15. 



SPAWNING FACILITIES Fair. 



STREAM TEMPERATURES Waim range. Observed temperatures: 63'F. , 8/15/50; 61. 5*F. , 8/2/52; 



67*F. , 8/14/52; 56*F. , 9/2/52; 51* F. , 9/11/52; 68*F. , 8/2/53; 55° F. , 8/10/53, 59.5*F. , 8/20/53; 



55. 5*F. , 9/1/53. 

 VALLEY DESCRIPTION 



DRAINAGE 15. 8 square miles. Drains Thorns Lake. Fed also by several other small lakes. 

 STREAM MOUTH IDENTIFICATION A broad tideflat with a heavily wooded margin. 

 ANCHORAGE When entering, pass between the wooded islands in the entrance. The head of the bay is 



foul. Anchor just inside the islands. 

 TRAILS AND SURVEY ROUTES During periods of low and normal water levels, the stream margin 



is easy to travel; however, during high water travel is difficult. A trail follows the left bank to the 



lake. Bear toward the stream when crossing the muskeg. 

 AERIAL SURVEY NOTES Aerial survey difficult due to overstory, meandering streambed, and rushing water. 



INTERTIDAL ZONE 



LENGTH 0.2 mile. AVERAGE WIDTH/DEPTH 40'-50V8". 



GRADIENT AND VELOCITIES Slight to moderate. 



BOTTOM Broken shale and boulders. 



LOW TIDE LOCATION 



HIGH TIDE LOCATION 



SCHOOLING AREAS Large pool middle of intertidal area is used extensively. 



SPAWNING AREAS The upper 200 yards seems to be suitable for spawning, but spawning has not been 



reported to take place in this zone. 

 GENERAL NOTES 



UPSTREAM 



LENGTH ACCESSIBLE 6 miles. AVERAGE WIDTH/DEPTH 40'-50V6"-12" . 



GRADIENT AND VELOCITIES Moderate. 



BOTTOM Broken shale, boulders, and gravel. 



MARKER DISTANCE 



MARKER IDENTIFICATION 



BARRIERS Forks I. 8 miles upstream. The W. fork drains a lake about 3 miles above the confluence. 



TRIBUTARIES None reported. 



SCHOOLING AREAS Very few schooling areas. Above the 1 mile mark, there ore occasional pools. 



SPAWNING AREAS Spawning occurs in all riffle areas. Spawning area is somewhat limited. 



GENERAL NOTES 



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