144-21 

 56° 26. 2' 



N. 133° 56' W. 



WRANGELL, SUMNER STRAIT, ALVIN BAY, 0.5 mile from head on N. shore. 



MAJOR SPECIES 



ESCAPEMENT TIMING 



SPAWNING FACILITIES 



STREAM TEMPERATURES No observed temperatures 



VALLEY DESCRIPTION 



DRAINAGE 3.5 square miles (polar planimeter). 



STREAM MOUTH IDENTIFICATION 



ANCHORAGE 



TRAILS AND SURVEY ROUTES 



AERIAL SURVEY NOTES 



OTHER SPECIES 

 ESCAPEMENT MAGNITUDE 



INTERTIDAL ZONE 



LENGTH 



GRADIENT AND VELOCITIES 



BOTTOM 



LOW TIDE LOCATION 



HIGH TIDE LOCATION 



SCHOOLING AREAS 



^PAWNING AREAS 



GENERAL NOTES 



AVERAGE WIDTH/DEPTH 



U PSTREAM 



LENGTH ACCESSIBLE 



GRADIENT AND VELOCITIES Moderate to swift. 



BOTTOM Very rocky. 



MARKER DISTANCE 



MARKER IDENTIFICATION 



BARRIERS 



TRIBUTARIES 



SCHOOLING AREAS 



SPAWNING AREAS Rocky with limited area. 



GENERAL NOTES 



AVERAGE WIDTH/DEPTH 



70 



