USGS

Sources, Instream Transport, and Trends of Nitrogen, Phosphorus, and Sediment in the Lower Tennessee River Basin, 1980-96

Figure 11. Nutrient concentrations (A) at selected sites on the Duck River, 1980-96, for (B) total nitrogen, (C) total nitrite plus nitrate, (D) total ammonia, and (E) total phosphorus.

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Figure 11. Nutrient concentrations (A) at selected sites on the Duck River, 1980-96, for (B) total nitrogen, (C) total nitrite plus nitrate, (D) total ammonia, and (E) total phosphorus--Continued.

Printable PDF available


Figure 11. Nutrient concentrations (A) at selected sites on the Duck River, 1980-96, for (B) total nitrogen, (C) total nitrite plus nitrate, (D) total ammonia, and (E) total phosphorus--Continued.

Printable PDF available


Figure 11. Nutrient concentrations (A) at selected sites on the Duck River, 1980-96, for (B) total nitrogen, (C) total nitrite plus nitrate, (D) total ammonia, and (E) total phosphorus--Continued.

Printable PDF available



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