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  1. 1

    Hydrology and the hypothetical effects of reducing nutrient applications of water quality in the Bald Eagle Creek Headwaters, southeastern Pennsylvania prior to implementation of a... by Fishel, David K.

    Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports Section [distributor], 1991
    Description: vi, 59 pages : illustrations ; 28 cm.
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    Hydrology and the hypothetical effects of reducing nutrient applications of water quality in the Bald Eagle Creek Headwaters, southeastern Pennsylvania prior to implementation of agricultural best-management practices
  2. 2

    Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : description and water quality of the Little Conestoga Creek Headwaters prior... by Geological Survey (U.S.), Pennsylvania. Department of Environmental Resources

    Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports Section [distributor], 1992
    Description: viii, 68 pages : illustrations, map ; 28 cm.
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    Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : description and water quality of the Little Conestoga Creek Headwaters prior to the implementation of nutrient management
  3. 3

    Hydrology and the effects of selected agricultural best-management practices in the Bald Eagle Creek Watershed, York County, Pennsylvania, prior to and during nutrient management :... by Langland, Michael J.

    Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Earth Science Information Center, Open-File Reports Section [distributor], 1995
    Description: vii, 72 pages : illustrations, maps ; 28 cm.
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    Hydrology and the effects of selected agricultural best-management practices in the Bald Eagle Creek Watershed, York County, Pennsylvania, prior to and during nutrient management : Water-Quality Study for the Chesapeake Bay Program
  4. 4

    Effects of agricultural best-management practices on the Brush Run Creek headwaters, Adams County, Pennsylvania, prior to and during nutrient management by Langland, Michael J.

    Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Open-File Reports Section [distributor], 1996
    Description: vi, 80 pages : illustrations, maps ; 28 cm.
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    Effects of agricultural best-management practices on the Brush Run Creek headwaters, Adams County, Pennsylvania, prior to and during nutrient management
  5. 5

    Results of a preimpoundment water-quality study of Swatara Creek, Pennsylvania by Fishel, David K.

    Published: U.S. Geological Survey, 1986
    Description: vi, 84 pages : illustrations, maps ; 28 cm.
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    Results of a preimpoundment water-quality study of Swatara Creek, Pennsylvania
  6. 6

    Preimpoundment hydrologic conditions in the Swatara Creek (1981-84) and estimated postimpoundment water quality in and downstream from the planned Swatara State Park Reservoir, Leb... by Fishel, David K.

    Published: Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports Section [distributor], 1988
    Description: vi, 108 pages : illustrations, maps ; 28 cm.
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    Preimpoundment hydrologic conditions in the Swatara Creek (1981-84) and estimated postimpoundment water quality in and downstream from the planned Swatara State Park Reservoir, Lebanon and Schuylkill Counties, Pennsylvania
  7. 7

    Occurrence of nitrate and herbicides in ground water in the upper Conestoga River basin, Pennsylvania by Fishel, David K.

    Published: U.S. Dept. of the Interior, Geological Survey ; Open-file Reports, U.S. Geological Survey, [distributor], 1986
    Description: iii, 8 pages : 1 map ; 28 cm.
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    Occurrence of nitrate and herbicides in ground water in the upper Conestoga River basin, Pennsylvania
  8. 8

    Effects of storm runoff on water quality in the Mill Creek drainage basin, Willingboro, New Jersey by Schornick, James C.

    Published: U.S. Geological Survey, Water Resources Division, 1980
    Description: viii, 111 pages : illustrations, maps ; 28 cm.
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    Effects of storm runoff on water quality in the Mill Creek drainage basin, Willingboro, New Jersey
  9. 9

    Water-quality and chemical loads of the Susquehanna River at Harrisburg, Pennsylvania, April 1980 to March 1981 by Fishel, David K.

    Published: U.S. Geological Survey, 1984
    Description: 1 online resource (vii, 90 pages) : illustrations, maps.
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    Water-quality and chemical loads of the Susquehanna River at Harrisburg, Pennsylvania, April 1980 to March 1981
  10. 10

    Preimpoundment hydrologic conditions in the Swatara Creek (1981-84) and estimated postimpoundment water quality in and downstream from the planned Swatara State Park Reservoir, Leb... by Fishel, David K.

    Published: U.S. Geological Survey, 1988
    Description: 1 online resource (vi, 108 pages) : illustrations, maps + 2 plates.
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    Preimpoundment hydrologic conditions in the Swatara Creek (1981-84) and estimated postimpoundment water quality in and downstream from the planned Swatara State Park Reservoir, Lebanon and Schuylkill counties, Pennsylvania
  11. 11

    Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : description and water quality of the Little Conestoga Creek Headwaters prior... by Fishel, David K.

    Published: U.S. Geological Survey, 1992
    Description: 1 online resource (viii, 68 pages) : illustrations, map.
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    Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : description and water quality of the Little Conestoga Creek Headwaters prior to the implementation of nutrient management
  12. 12

    Hydrology and the effects of selected agricultural best-management practices in the Bald Eagle Creek Watershed, York County, Pennsylvania, prior to and during nutrient management :... by Langland, Michael J., Fishel, David K.

    Published: U.S. Geological Survey, 1995
    Description: 1 online resource (vii, 72 pages) : illustrations, maps.
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    Hydrology and the effects of selected agricultural best-management practices in the Bald Eagle Creek Watershed, York County, Pennsylvania, prior to and during nutrient management : Water-Quality Study for the Chesapeake Bay Program
  13. 13

    Effects of agricultural best-management practices on the Brush Run Creek headwaters, Adams County, Pennsylvania, prior to and during nutrient management by Langland, Michael J., Fishel, David K.

    Published: U.S. Geological Survey, 1996
    Description: 1 online resource (vi, 80 pages) : illustrations, maps.
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    Effects of agricultural best-management practices on the Brush Run Creek headwaters, Adams County, Pennsylvania, prior to and during nutrient management
  14. 14

    Hydrology and the hypothetical effects of reducing nutrient applications on water quality in the Bald Eagle Creek Headwaters, southeastern Pennsylvania prior to implementation of a... by Fishel, David K., Langland, Michael J., Truhlar, Mark V.

    Published: U.S. Department of the Interior, U.S. Geological Survey, 1991
    Description: 1 online resource (vi, 59 pages) : illustrations, maps.
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    Hydrology and the hypothetical effects of reducing nutrient applications on water quality in the Bald Eagle Creek Headwaters, southeastern Pennsylvania prior to implementation of agricultural best-management practices

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