112-30 TAMGAS CREEK K 108 
N55°03. 3 W131°30.5 Previous No. 
KETCHIKAN, TAMGAS HARBOR, E. shore opposite Civil Aeronautics Administration Station 
MAJOR SPECIES Red OTHER SPECIES Trout 
ESCAPEMENT TIMING ESCAPEMENT MAGNITUDE 
SPAWNING FACILITIES _ Stream facilities reported to be poor. Possible shore spawning areas observed for 
red salmon. 
STREAM TEMPERATURES 
VALLEY DESCRIPTION Glacial origin with lake basin. Steep mountain slopes surround upper and lower 
Tamgas Lakes. 
DRAINAGE 9 square miles (Polar Planimeter). Precipitation fed through two lakes. Some early snowfields in 
upper drainage. 
STREAM MOUTH IDENTIFICATION 
ANCHORAGE At mouth. 
TRAILS AND SURVEY ROUTES Trail to lake along N. side of outlet stream. There has been a skiff near 
the end of the trail, at the lake, in the past. 
AERIAL SURVEY NOTES Not surveyed by air. 
INTERTIDAL ZONE 
LENGTH Short AVERAGE WIDTH/DEPTH 
GRADIENT AND VELOCITIES 
BOTTOM 
LOW TIDE LOCATION 
HIGH TIDE LOCATION 
SCHOOLING AREAS 
SPAWNING AREAS 
GENERAL NOTES 
UPSTREAM 
LENGTH ACCESSIBLE .3 mile to lake AVERAGE WIDTH/DEPTH 
GRADIENT AND VELOCITIES 3-5° at 2-4' per second 
BOTTOM Coarse broken rock. 
MARKER DISTANCE .3 mile. 
MARKER IDENTIFICATION Lake outlet. 
BARRIERS Three falls. Second and third falls are difficult passages for reds. 
TRIBUTARIES None in outlet stream. 
SCHOOLING AREAS Below falls in stream and in lake. 
SPAWNING AREAS Very limited facilities in stream. 
GENERAL NOTES 
107 
