ADF STAT. No. 

 142-10 OHMER CREEK , WR 57 



56*44. I'N.ISS-IS.Z'W. PreviousNo.80 



WRANGELL, DUNCAN CANAL, OHMER SLOUGH, Head. 



MAJOR SPECIES Pink, coho. OTHER SPECIES Chum. 



ESCAPEMENT TIMING Middle. Aug. -Sept. 



SPAWNING FACILITIES Very limited. 



STREAM TEMPERATURES Normal range. Observed temperatures: 51° F. , 9/10/49; 51" 4. , 9/26/49. 



VALLEY DESCRIPTION A narrow valley. 



DRAINAGE 18 square miles (polar planimeter). 



STREAM MOUTH IDENTIFICATION Extensive grass flats are found at the mouth. 



ANCHORAGE Most of the inshore waters in Duncan Canal are foul. Anchorage may be had in Little 



Duncan Bay, but travel in other areas is unsafe without local knowledge. Temporary anchorage 



is found just S. of the slough. 

 TRAILS AND SURVEY ROUTES When surveying at low tide, leave the skiff on the beach S. of 



of the mouth. Wadeable in only a few places. 

 AERIAL SURVEY NOTES Muskeg -colored water makes survey difficult. 



INTERTIDAL ZONE 



LENGTH 1 mile. AVER AGE WIDTH/DEPTH 30'/5". 



GRADIENT AND VELOCITIES Gentle. 



BOTTOM Fine gravel and larger rock. 



LOW TIDE LOCATION 



HIGH TIDE LOCATION 



SCHOOLING AREAS 



SPAWNING AREAS C^e-half mile of fine gravel appearing to be well suited for spawning is found at 



the upper end of this zone. 

 GENERAL NOTES 



UPSTREAM 



LENGTH ACCESSIBLE 2.4miles. AVERAGE WIDTH/DEPTH 25'/5". 



GRADIENT AND VELOCITIES Gradual. 



BOTTOM Gravel, small rock, bedrock, and sand. 



MARKER DISTANCE 



MARKER IDENTIFICATION 



BARRIERS 



TRIBUTARIES 



SCHOOLING AREAS 



SPAWNING AREAS The gravel areas are limited between the sections of bedrock and large rock. 



Only one good riffle occurs in the first quarter mile. 

 GENERAL NOTES 



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