56°4l. 6' N. 134° 13- 8' W. 



ADF STAT. 



No. 

 E 



42 



EASTERN, CHATHAM STRAIT, ROWAN BAY, SE. shore opposite entrance to bay. 



MAJOR SPECIES Pink. OTHER SPECIES Chum, coho. 



ESCAPEMENT TIMING 



SPAWNING FACILITIES Fair. 



STREAM TEMPERATURES Normal range. Observed temperature: 47. 5° F. , 9/1/50; 53" F. , 9/20/51. 



VALLEY DESCRIPTION 



DRAINAGE 18. 2 square miles (polar planimeter). 



STREAM MOUTH IDENTIFICATION 



ANCHORAGE 



TRAILS AND SURVEY ROUTES Easy stream to inspect if water is at normal height but would be 



very difficult at flood stage. 

 AERIAL SURVEY NOTES Difficult to survey due to brushy overstory. 



INTERTIDAL ZONE 



LENGTH 



GRADIENT AND VELOCITIES 



BOTTOM 



LOW TIDE LOCATION 



HIGH TIDE LOCATION 



SCHOOLING AREAS 



AVERAGE WIDTH/DEPTH 



SPAWNING AREAS 



GENERAL NOTES 



UPSTREAM 



LENGTH ACCESSIBLE 2 miles. AVERAGE WIDTH/DEPTH 50'/12". 



GRADIENT AND VELOCITIES Moderate to swift. 



BOTTOM 60% exposed bedrock; 40% excellent gravel. 



MARKER DISTANCE 



MARKER IDENTIFICATION 



BARRIERS 



TRIBUTARIES 



SCHOOLING AREAS 



SPAWNING AREAS Fair. 



GENERAL NOTES Rowan Bay is good coho area although late surveys are lacking; all streams in bay 

 receive coho escapement. 



102 



