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Scientific Investigations Report 2007–5178

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

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Table 7. Suspended-sediment load and yield, and clay-water volume and yield for the December 17–19, 2001, 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 333 2 2 0 0 0
Breitenbush 333 2 3 0 0 0
French 22 2.8 2.2 0 0 0
Blowout 4,900 36 190 522 17 20
Lower basin station
Little North 419 2 4 0 0 0

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