ADF STAT. No. 

 56°40.6' N. 134*12.7' W. E 42A 



EASTERN, CHATHAM STRAIT, ROWAN BAY, head of N. arm. 



MAJOR SPECIES Pink. OTHER SPECIES Chum, coho. 



ESCAPEMENT TIMING Middle, Aug. 



SPAWNING FACILITIES 



STREAM TEMPERATURES Cold range. Observed temperatures: 48° F. , 9/5/49; 47. 5° F. , 9/1/50; 



48° F. , 9/10/51; 49* F. , 9/20/51; 46* F. , 10/1/51; 48* F. , 9/12/52; 49° F. , 9/26/52. 

 VALLEY DESCRIPTION Wide, steep-sided, heavily wooded valley. 

 DRAINAGE 17. 8 square miles (polar planimeter). 



STREAM MOUTH IDENTIFICATION Stream flows into the extreme head of bay. 

 ANCHORAGE Leave skiff at low tide. Anchorage is off mouth of the stream. Enter the bay with caution 



as there are many rocks and reefs. Once inside the bay, there are few dangers. 

 TRAILS AND SURVEY ROUTES Easy stream to inspect if the water is normal. Many gravel bars. 

 AERIAL SURVEY NOTES Fair stream for aerial survey during normal and low water flows. Stream 



is best surveyed in late morning and early afternoon when the sun is high. Water extremely dark after rain. 



INTERTIDAL ZONE 



LENGTH 1.5 miles. AVERAGE WIDTH/DEPTH 100'/5". 



GRADIENT AND VELOCITIES Gentle. 



BOTTOM Varied but predominantly fine gravel. 



LOW TIDE LOCATION 



HIGH TIDE LOCATION Clearly defined grass flats. 



SCHOOLING AREAS Several large pools in the upper intertidal area. 



SPAWNING AREAS Good spawning facilities at the upper end. 



GENERAL NOTES Intertidal zone is a wide, shallow, continuous riffle with a large pool and deep area 

 at the upper end. Four small tributaries enter the stream in the first three-eighths of a mile. 



UPSTREAM 



LENGTH ACCESSIBLE For length. AVERAGE WIDTH/DEPTH 70!/20". 



GRADIENT AND VELOCITIES Gentle. 



BOTTOM Gravel, sand, and silt. 



MARKER DISTANCE 



MARKER IDENTIFICATION 



BARRIERS None. 



TRIBUTARIES Several small tributaries are used by coho. 



SCHOOLING AREAS Pools throughout stream course. 



SPAWNING AREAS Good spawning riffles and considerable deep areas and pools, after first 150 yards. 



GENERAL NOTES Fish have been observed near extreme head of stream. Good open route to Security 

 Bay for aerial survey; good shortcut. 



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