Location.--Latitude 46°48'25", Longitude
123°07'08", in NE 1/4 NE 1/4 Section 12, Township 15 North,
Range 4 West, in Thurston County, Hydrologic Unit 17100103, at
Independence Rd bridge, 1.6 mi southwest of Rochester, and at river mile
54.2. Drainage
area is 957 mi2. Datum of
gage is NAVD of 1988.