Suspended-Sediment Loads and Yields in the North Santiam River Basin, Oregon, Water Years 1999

Scientific Investigations Report 2007–5187

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5187

Table 2. Schedule of water-quality and suspended-sediment sample collection in the North Santiam River basin, Oregon.

[Station reference: Complete station names are shown in table 1. Abbreviations: EWI, equal-width increment. N/A, not applicable]

Station reference	Water-quality instrumentation installation dates	Sample- collection dates	Type and number of suspended-sediment samples
Station reference	Water-quality instrumentation installation dates	Sample- collection dates	EWI	Dip	Total
Upper basin stations
North Santiam	October 1998	October 1998– September 2004	106	15	121
Breitenbush	October 1998	October 1998– September 2004	67	13	80
French	June 2001	June 2001– September 2004	24	10	34
Blowout	October 1998	October 1998– September 2004	106	12	118
Lower basin stations
Niagara	April 2000	October 1998– September 2004	52	12	64
Little North	April 2000	October 1998– September 2004	102	23	125
Mehama	April 2000	October 1998– September 2004	111	20	131
Geren Island	March 2001	N/A	N/A	N/A	N/A