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Scientific Investigations Report 2007–5178

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5178

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Table 8. Suspended-sediment load and yield, and clay-water volume and yield for the January 30–February 1, 2003, major turbidity event in the North Santiam River basin, Oregon.

[Abbreviations: ton/mi2, ton per square mile; Mgal, million gallons; Mgal/mi2, million gallons per square mile; N/A, no data available because station not yet established; <, less than]

Station
name		 Suspended sediment   Clay-water
Load
(ton)		 Percentage of
annual load		 Yield
(ton/mi2)		 Volume
(Mgal)		 Percentage of
annual volume		 Yield
(Mgal/mi2)
Upper basin stations
North Santiam 2,710 40 12 1,700 98 8
Breitenbush 5,350 63 50 2,420 100 22
French 400 60 40 67 100 6.7
Blowout 471 24 18 0 0 0
Lower basin station
Little North 6,160 44 55 5,910 84 53

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