Latitude (degrees, minutes, and seconds) ...... 455750 Longitude (degrees, minutes, and seconds) ..... 1221953 State Code .................................... 53 County Code ................................... County Name ................................... Clark Basin Name .................................... Lewis Hydrologic Unit Code .......................... 1708002 Drainage Area (square miles) .................. 596 Gage Datum (feet, above NGVD) ................. Location .................... SE 1/4, NE 1/4, T.6.N, R.4.E, at left bank on Yale Dam on Lewis River just upstream from intake, 500 feet upstream from powerhouse, 1.0 mile upstream from Canyon Creek, 3.2 miles southeast of Yale, and at mile 34.2. (WA-97-1) Period of Record: August 1952 to current year (WA-97-1)