Showing 1 - 4 results of 4 for search '"United States."', query time: 0.13s Refine Results
  1. 1
    Water-quality, streamflow, and ancillary data for nutrients in streams and rivers across the nation, 1992-2001 /
    by Mueller, David K.
    Published 2005
    Subjects: “...Water quality United States....”
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    Government Document eBook
  2. 2
    Nitrate loads and concentrations in surface-water base flow and shallow groundwater for selected basins in the United States, water years 1990-2006 /
    Published 2010
    Subjects: “...Water Nitrogen content United States....”
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    Government Document eBook
  3. 3
    County-level estimates of nitrogen and phosphorus from commercial fertilizer for the conterminous United States, 1987-2006 /
    by Gronberg, JoAnn M.
    Published 2012
    Subjects: “...Nitrogen fertilizers United States....”
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    Government Document eBook
  4. 4
    Development and application of regression models for estimating nutrient concentrations in streams of the conterminous United States, 1992-2001 /
    Published 2010
    Subjects: “...Nutrient pollution of water United States....”
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    Government Document eBook
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