USGS 12179000 SKAGIT RIVER ABOVE ALMA CREEK NEAR MARBLEMOUNT, WA
Skagit County, Washington
Hydrologic Unit Code 17110005
Latitude 48°36'27", Longitude 121°21'37"
NAD27
Drainage area 1,274.00 square miles
Gage datum 362.80 feet above NAVD88
Location of the site in Washington