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DESCRIPTION:

Latitude 46°22'19",   Longitude 122°34'40"   NAD27

Cowlitz County, Washington, Hydrologic Unit 17080005

Drainage area: 146 square miles

Datum of gage: 700 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2001-02-01	2017-06-26
Daily Data
Discharge, cubic feet per second	1989-10-01	2017-06-24	7936
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2009-09-30	2017-06-24	6959
Suspended sediment concentration, milligrams per liter	2001-02-01	2016-09-30	4259
Suspended sediment discharge, short tons per day	2001-02-01	2016-09-30	4259
Daily Statistics
Discharge, cubic feet per second	1989-10-01	2016-10-15	7684
Suspended sediment concentration, milligrams per liter	2001-02-01	2015-09-29	3892
Suspended sediment discharge, short tons per day	2001-02-01	2015-09-29	3892
Monthly Statistics
Discharge, cubic feet per second	1989-10	2016-10
Suspended sediment concentration, milligrams per liter	2001-02	2015-09
Suspended sediment discharge, short tons per day	2001-02	2015-09
Annual Statistics
Discharge, cubic feet per second	1990	2017
Suspended sediment concentration, milligrams per liter	2001	2015
Suspended sediment discharge, short tons per day	2001	2015
Peak streamflow	1990-01-10	2015-01-05	20
Field measurements	1989-10-12	2017-06-06	185
Field/Lab water-quality samples	2000-11-16	2017-02-09	3577
Water-Year Summary	2007	2016	10
Additional Data Sources	Begin Date	End Date	Count
Instantaneous-Data Archive  **offsite**	2001-02-02	2007-09-30	74295

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