Location.--Latitude 47°28'44.35", Longitude
122°15'31.44" referenced to North American Datum of 1983, in
NE 1/4 SW 1/4 Section 14, Township 23 North, Range 4 East, in King
County, Hydrologic
Unit 17110013, on left bank at footbridge, 0.5 mi downstream from
Black River confluence, at Tukwila, 10.4 mi upstream from mouth.
Drainage
area is 461 mi2. Datum of
gage is NAVD of 1988.