ADF STAT. No. 

 56*53.6' N. 133*44. 0' W. CATHEDRAL FALLS CREEK E 33 



EASTERN, FREDERICK SOUND, KEKU STRAIT, HAMILTON BAY, NE. head of bay. 



MAJOR SPECIES Pink. OTHER SPECIES Chum. 



ESCAPEMENT TIMING Late, Sept. 



SPAWNING FACILITIES Excellent but limited. 



STREAM TEMPERATURES Cold-normal range. Observed temperatures: 54* F. , 9/11/51; 52* F. , 



9/22/51; 48* F. , 9/10/52. 

 VALLEY DESCRIPTION Large, flat muskeg area. 

 DRAINAGE 27. 3 square miles (polar planimeter). 

 STREAM MOUTH IDENTIFICATION Extensive tidal flats. 

 ANCHORAGE Near head of bay in 4 fathoms. 

 TRAILS AND SURVEY ROUTES 

 AERIAL SURVEY NOTES Impossible to survey this stream from the air due to very dark muskeg water. 



INTERTIDAL ZONE 



LENGTH 0. 66 miles to main stream. AVERAGE WIDTH/DEPTH 150'/15". 



GRADIENT AND VELOCITIES Gentle. 



BOTTOM Gravel with riffles and shallow holes; lower intertidal streambed composed of fine gravel 



and sand. 

 LOW TIDE LOCATION 

 HIGH TIDE LOCATION 

 SCHOOLING AREAS 



SPAWNING AREAS Poor spawning facilities in Section I. All spawning activity in upper 200 yards 

 of each split of river. No spawning below. 



GENER AL NOTES The intertidal stream splits at the high tidemark; one split flows directly into the bay 

 while the other one joins the intertidal stream #33A. The upper few hundred yards of both splits 

 contain excellent spawning riffles with medium to fine gravel of the crushed rock type. 



UPSTREAM 



LENGTH ACCESSIBLE 0. 3 mile to falls. AVERAGE WIDTH/DEPTH 120'/24". 



GRADIENT AND VELOCITIES Gentle. 



BOTTOM Gravel and boulders. 



MARKER DISTANCE 



MARKER IDENTIFICATION 



BARRIER S There is a spectacular falls about one -third mile upstream from the high tidemark. A large 



hole is under the falls. 

 TRIBUTARIES 

 SCHOOLING AREAS 



SPAWNING AREAS The upper half of the stream is a continuous riffle of coarse to medium angular 



gravel providing good spawning area. 

 GENERAL NOTES The stream pours through high rock cliffs. 



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