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 27. Distribution of flow-adjusted trends in concentration of total nitrogen in percentage per year and milligrams per liter per year, Columbia River and Puget Sound basins, water years 1993–2003.

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