Latitude (degrees, minutes, and seconds) ...... 461716 Longitude (degrees, minutes, and seconds) ..... 1221610 State Code .................................... 53 County Code ................................... 015 County Name ................................... Cowlitz Hydrologic Unit Code .......................... 17080005 Drainage Area (square miles) .................. 36.20* Gage Datum (feet, from topo map) .............. 2500 Location ...................... NW/SE Sec.2, T.9 N, R.4 E, Mount St. Helens National Volcanic Monument, on right bank 1,000 ft downstream from outlet of Coldwater Lake, 5.8 mi west of Spirit Lake, and 1.5 mi upstream from mouth. ----Period(s) of Record---- Surface-Water Discharge or Stage-Only: 1985-86 Sediment Data: January 1984 to September 1986 * Since April 1985. Prior to April 1985, 17.5 sq.mi.
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