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  1. 1
    Variability of nutrients in streams in part of the Upper Mississippi River Basin, Minnesota and Wisconsin /
    by Kroening, Sharon E.
    Published 1997
    Government Document Book
  2. 2
    Major-ion, nutrient, and trace-element concentrations in the Steamboat Creek Basin, Oregon, 1996 /
    by Rinella, Frank A.
    Published 1998
    Government Document Book
  3. 3
    Occurrence of nitrate and pesticides in ground water beneath three agricultural land-use settings in the eastern San Joaquin Valley, California, 1993-1995 /
    by Burow, Karen R.
    Published 1998
    Government Document Book
  4. 4
    Pollen census data from southern Florida : sites along a nutrient gradient in water conservation area 2A /
    by Willard, Debra A.
    Published 1997
    Government Document Book
  5. 5
    U.S. Geological Survey nutrient preservation experiment : experimental design, statistical analysis, and interpretation of analytical results /
    by Patton, Charles J.
    Published 1999
    Government Document Book
  6. 6
    Simulation of temperature, nutrients, biochemical oxygen demand, and dissolved oxygen in the Ashley River near Charleston, South Carolina /
    by Conrads, Paul A.
    Published 1998
    Government Document Book
  7. 7
    Pesticides and nitrates in surficial sand and gravel aquifers as related to modeled contamination susceptibility in part of the Upper Mississippi River Basin /
    by Hanson, Paul E.
    Published 1998
    Government Document Book
  8. 8
    Nitrate and pesticide data for waters of the Mid-Atlantic Region /
    by Ator, Scott W.
    Published 1998
    Government Document Book
  9. 9
    A reconnaissance for selected herbicides, metabolites, and nutrients in streams of nine midwestern states, 1994-95 /
    Published 1998
    Government Document Microform Book
  10. 10
    Upper Klamath Lake basin nutrient-loading study : assessment of historic flows in the Williamson and Sprague rivers /
    by Risley, John C.
    Published 1999
    Government Document Book
  11. 11
    The quality of our nation's waters : nutrients and pesticides--a summary.
    Published 1999
    Government Document Book
  12. 12
    Nutrient and suspended-sediment concentrations, trends, loads, and yields from the nontidal part of the Susquehanna, Potomac, Patuxent, and Choptank rivers, 1985-96 /
    Published 1999
    Government Document Book
  13. 13
    Identification of nitrate sources contributing to ground water in the Indian Hills area of Douglas County, Nevada /
    by Thomas, James M.
    Published 1999
    Government Document Book
  14. 14
    Selected nutrients and pesticides in streams of the eastern Iowa Basins, 1970-95 /
    Published 1999
    Government Document Book
  15. 15
    Water-quality conditions, hydrologic budget, and sources and fate of selected trace elements and nutrients in Boulder Reservoir, Boulder, Colorado, 1997-98 /
    by Kimbrough, Robert A.
    Published 1999
    Government Document Book
  16. 16
    Ground-water quality assessment of the Georgia-Florida Coastal Plain study unit : analysis of available information on nutrients, 1972-92.
    by Berndt, Marian P.
    Published 1996
    Government Document Book
  17. 17
    Water-quality assessment of the Ozark Plateaus study unit, Arkansas, Kansas, Missouri, and Oklahoma : analysis of information on nutrients, suspended sediment, and suspended solids, 1970-92.
    Published 1995
    Government Document Book
  18. 18
    Discharge, water-quality characteristics, and nutrient loads from McKay Bay, Delaney Creek, and East Bay, Tampa, Florida, 1991-1993.
    by Stoker, Yvonne E.
    Published 1996
    Government Document Book
  19. 19
    Water quality of the lower Columbia River Basin : analysis of current and historical water-quality data through 1994.
    Published 1996
    Government Document Book
  20. 20
    Water-quality assessment of the western Lake Michigan drainages : analysis of available information on nutrients and suspended sediment, water years 1971-90.
    by Robertson, Dale M.
    Published 1996
    Government Document Book
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