Latitude (degrees, minutes, and seconds) ...... 461535 Longitude (degrees, minutes, and seconds) ..... 1221530 State Code .................................... 53 County Code ................................... 015 County Name ................................... Cowlitz Basin Name .................................... Lower Cowlitz Hydrologic Unit Code .......................... 17080005 Drainage Area (square miles) .................. Gage Datum (feet, from topo map) .............. 2040.0 Location ...................... SE/SE, sec.7, T.9 N., R.4 E., on south side of North Fork Toutle River (left bank), approximately 1,500 ft above stream bed and 1 mile south of Elk Rock Mountain. (Uhrich, 1990) ----Period(s) of Record---- Precipitation Data -- 1982 - 1986(?)
Uhrich, Mark A., 1990, Precipitation Data for the Mount St. Helens Area, Washington -- 1981-86: U.S. Geological Survey Open-File Report 90-117.