Showing 1 - 2 results of 2 for search 'U.S.Geological Survey,', query time: 0.29s Refine Results
  1. 1
    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...”
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    Government Document Book
  2. 2
    Effects of legacy sediment removal and effects on nutrients and sediment in Big Spring Run, Lancaster County, Pennsylvania, 2009-15 /
    by Langland, Michael J.
    Published 2020
    “...U.S. Department of the Interior, U.S. Geological Survey,...”
    Get full text
    Government Document eBook
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