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Found 170 works matching this query
Nitrates
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Nitrates
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Extent, magnitude, and sources of nitrate in the Flaxville and underlying aquifers, Fort Peck Indian Reservation, northeastern Montana
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Nitrate-nitrogen concentrations in shallow ground water of the coastal plain of the Albemarle-Pamlico Drainage Study Unit, North Carolina and Virginia
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Nitrate and other water-quality characteristics, and nitrogen in the unsaturated zone, in the Red Willow and Hitchcock Counties Special Protection Area, southwest Nebraska, 1993-95
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Relations of nonpoint-source nitrate and atrazine concentrations in the High Plains aquifer to selected explanatory variables in six Nebraska study areas
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An overview of ground-water nitrate and fertilizer nitrogen consumption in the Tennessee Valley region
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Selected ground-water-quality data for the water-resources investigation of Mellette and Todd Counties, South Dakota, 1990-96
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Nitrate and pesticides in ground water of the eastern San Joaquin Valley, California
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Assessment of nitrate contamination of the upper aquifer in the Manatí-Vega Baja area, Puerto Rico
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