Location.--Latitude 46°57'45", Longitude
123°36'12", in NE 1/4 SW 1/4 Section 18, Township 17 North,
Range 7 West, in Grays Harbor County, Hydrologic Unit 17100104, on
downstream side of State Highway 107 bridge, 0.2 mile upstream from
Wynoochee River, 1.1 miles south of Montesano, and at river
mile 13.2. Drainage
area is 1,780 mi2. Datum of
gage is NAVD88.