Showing 1 - 8 results of 8 for search 'The Survey :', query time: 0.13s Refine Results
  1. 1
    Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : effects of nutrient management on water quality in the Little Conestoga Creek Headwaters, 1983-89.
    Published 1996
    “...U.S. Dept. of the Interior, U.S. Geological Survey :...”
    Government Document Book
  2. 2
    Evaluation of agricultural best-management practices in the Conestoga River headwaters, Pennsylvania : hydrology of a small carbonate-rock site near Ephrata, Pennsylvania, prior to implementation of nutrient management : water-quality study of the Conestoga River headwaters, Pennsylvania.
    Published 1997
    “...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
    Government Document Book
  3. 3
    Surface-water quality changes after 5 years of nutrient management in the Little Conestoga Creek headwaters, Pennsylvania, 1989-91.
    by Koerkle, Edward H.
    Published 1997
    “...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
    Government Document Book
  4. 4
    Herbicide concentrations in and loads transported by the Conestoga River and Pequea Creek, Lancaster County, Pennsylvania, 1992-95.
    by Reed, Lloyd A.
    Published 1997
    “...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
    Government Document Book
  5. 5
    Trends in surface-water quality during implementation of best-management practices in Mill Creek and Muddy Run basins, Lancaster County, Pennsylvania /
    by Koerkle, Edward H.
    Published 2000
    “...U.S. Dept. of the Interior, U.S. Geological Survey,...”
    Government Document Book
  6. 6
    Relations of biological indicators to nutrient data for lakes and streams in Pennsylvania and West Virginia, 1990-98 /
    by Brightbill, Robin A.
    Published 2003
    “...U.S. Dept. of the Interior, U.S. Geological Survey...”
    Get full text
    Government Document Book
  7. 7
    Simulation of streamflow and water quality in the Christina River subbasin and overview of simulations in other subbasins of the Christina River basin, Pennsylvania, Maryland, and Delaware, 1994-98 /
    by Senior, Lisa A.
    Published 2003
    “...U.S. Dept. of the Interior, U.S. Geological Survey,...”
    Get full text
    Government Document Book
  8. 8
    Simulation of streamflow and water quality in the Red Clay Creek subbasin of the Christina River basin, Pennsylvania and Delaware /
    by Senior, Lisa A.
    Published 2003
    “...U.S. Dept. of the Interior, U.S. Geological Survey,...”
    Get full text
    Government Document Book
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