Nutrient and Suspended-Sediment Transport and Trends in the Columbia River and Puget Sound Basins, 1993

Scientific Investigations Report 2007–5186

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5186

Figure - refer to figure caption for alternative text description

Figure 17. Annual mean discharge of total phosphorus loads in the Willamette River and relative total phosphorus contributions from Willamette River monitored tributaries and point sources, Oregon, water year 2000. (Vertical scales on graphs are identical.)

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