Location.--Latitude 45°56'24", Longitude
122°18'57", in SW 1/4 SW 1/4 Section 4, Township 5 North,
Range 4 East, in Clark County, Hydrologic Unit 17080002, and
at river mile
3.0. Drainage
area is 64.1 mi2. Elevation
of gage is 520 feet above NGVD of 1929, from topograpic map.