USGS SIR 2009-5268: Trends in Water Quality in the Southeastern United States, 1973

U.S. Geological Survey Scientific Investigations Series 2009-5268

Trends in Water Quality in the Southeastern United States, 1973–2005

/ Title Page / Foreword / List of Tables / List of Figures / Conversions / Introduction / Previous Studies / Data / Methods / Water-Quality Trends / Trend Associations / Summary and Conclusions / References /

Figure 10. Recent (1973–2005) trends in total phosphorous concentration at sites from the National Water Information System (NWIS) and Storage and Retrevial (STORET) databases

Figure 10. Recent (1993–2005) trends in total phosphorous concentration at sites from the National Water Information System (NWIS) and Storage and Retrieval (STORET) databases.

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