101-12 LEASK CREEK K 95 
N55°30.7 W131°31.2 Previous No. 89 
KETCHIKAN, GEORGE INLET, Head 
MAJOR SPECIES Pink OTHER SPECIES 
ESCAPEMENT TIMING Late. Sep. -Oct. ESCAPEMENT MAGNITUDE 
SPAWNING FACILITIES Fair 
STREAM TEMPERATURES Warmrange. Observed temperature: 49°F., 10/3/49. 
VALLEY DESCRIPTION Stream cut through relatively low hill area between two ridge systems. Wooded with 
scattered muskeg areas. Stream has eroded a fairly deep bed following low ridges. 
DRAINAGE 15 square miles (Polar Planimeter). Precipitation fed through two lakes that are 2. 3 miles upstream. 
STREAM MOUTH IDENTIFICATION Cabins on N. shore at mouth. 
ANCHORAGE Anchorage near cabins on N. shore. 
TRAILS AND SURVEY ROUTES No terails. S. bank more easily traveled on foot. 
AERIAL SURVEY NOTES Not surveyed by air. 
INTERTIDAL ZONE 
LENGTH .2mile AVERAGE WIDTH/DEPTH 40!/10" 
GRADIENT AND VELOCITIES 1-2° at 2-3' per second 
BOTTOM Gravel, ranging from fine to coarse. 
HIGH TIDE LOCATION Head of grassflats. 
SCHOOLING AREAS _ No major schooling areas. 
SPAWNING AREAS Limited to riffle 75 yards long in upper third of intertidal zone. 
GENERAL NOTES 
UPSTREAM 
LENGTH ACCESSIBLE AVERAGE WIDTH/DEPTH 40'/6-12" 
GRADIENT AND VELOCITIES Over 3° at 2-4' per second (Greater velocities during flooding. ) 
BOTTOM Gravel 4-12" in diameter, scattered boulders 
MARKER DISTANCE .3 mile. 
MARKER IDENTIFICATION Blazed hemlock 7' in diameter on N. bank. 
BARRIERS _ Cataracts and rapids throughout lower stream. No barriers to migration reported. 
TRIBUTARIES No major tributaries below lake. 
SCHOOLING AREAS Limited to windfall pools. No major schooling areas. 
SPAWNING AREAS Splits in lower stream are major spawning areas used. 
GENERAL NOTES 
