USGS 12019310 CHEHALIS RIVER ABOVE MAHAFFEY CREEK NR PE ELL, WA
Lewis County, Washington
Hydrologic Unit Code 17100103
Latitude 46°32'43.14", Longitude 123°17'55.38"
NAD83
Drainage area 68.9 square miles
Gage datum 432 feet above NAVD88
Location of the site in Washington