115-30 



55*53. 3' N. 132° 37. 9' W. 



WRANGELL, CLARENCE STRAIT, RATZ HARBOR, Head. 



MAJOR SPECIES Pink. OTHER SPECIES Chum. 



ESCAPEMENT TIMING Middle. Aug. -Sept. ESCAPEMENT MAGNITUDE 250,000 



SPAWNING FACILITIES Good. 



STREAM TEMPERATURES Normal range. Observed temperatures: 48* F. , 10/5/53; 54*. F. , 9/15/53; 



49.5* F. , 9/27/53. 

 VALLEY DESCRIPTION Logged. 

 DRAINAGE 8. 2 square miles (polar planimeter). 



STREAM MOUTH IDENTIFICATION Enters through flats at head of bay. 

 ANCHORAGE This harbor affords protection from all except N. to NE.. winds. The usual anchorage is 



in the S. part of the harbor. 

 TRAILS AND SURVEY ROUTES Easily traveled up the streambed. Game trails follows both banks. 

 AERIAL SURVEY NOTES Logging road for length. Usually too dark for survey. 



INTERTIDAL ZONE 



LENGTH O.lmile. AVER AGE WI DTH/ DEP TH 25'/3': 



GRADIENT AND VELOCITIES Gentle. 

 BOTTOM Algae, rocks, and barnacles; clean gravel further up. 

 LOW TIDE LOCATION 

 HIGH TIDE LOCATION 



SCHOOLING AREAS Two holes between the intertidal forks and the high tidemark. 

 SPAWNING AREAS The upper 200 yards has a clean gravel bottom and offers fair spawning facilities. 

 GENERAL NOTES The stream branches in this area and the left branch goes to a lagoon while the 

 right branch continues as the main stream. 



UPSTREAM 



LENGTH ACCESSIBLE To falls between lakes. AVER AGE WIDTH/ D EPTH 25V4". 



GRADIENT AND VELOCITIES Gentle. 



BOTTOM Small gravel and occasional boulders. 



MARKER DISTANCE 



MARKER IDENTIFICATION -♦ 



BARRIERS Between lakes. 



TRIBUTARIES One good tributary below first lake, available to barrier falls 0. 7 mile. 



SCHOOLING AREAS Numerous holes are found throughout. 



SPAWNING AREAS Three miles of good spawning area. 



GENERAL NOTES Cohos, pinks, and reds spawn between lakes. Cohos reported above falls. Rock work 



planned in 1964 to enable reds and cohos to enter upper lake. Entire watershed to be logged by 1964. 



Little Ratz Harbor Creek is immediately south of Ratz Harbor and is reached by log roadj to be clear 



cut in 1964. Good minor pink and echo stream; 4,000-5,000 pinks in 1963. 



270 



