Showing 1 - 20 results of 36 for search 'Helgesen, John O.', query time: 0.11s Refine Results
  1. 1
    Water resources of the Lake of the Woods watershed, north-central Minnesota

    Water resources of the Lake of the Woods watershed, north-central Minnesota by Helgesen, John O.

    Reston, Va. : The Survey, 1975
    Format: Government Document Map


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  2. 2
    Water resources of the Mississippi and Sauk rivers watershed, central Minnesota

    Water resources of the Mississippi and Sauk rivers watershed, central Minnesota by Helgesen, John O.

    Reston, Virginia : U.S. Geological Survey, 1975
    Format: Government Document Map


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  3. 3
    Hydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas

    Hydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas by Helgesen, John O.

    Washington : U.S. G.P.O., 1993
    Format: Government Document Book


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  4. 4
    Description of data files compiled for the Central Midwest Regional Aquifer-System Analysis

    Description of data files compiled for the Central Midwest Regional Aquifer-System Analysis by Helgesen, John O.

    Denver, Colo. : Dept. of the Interior, U.S. Geological Survey : Books and Open-File Reports [distributor], 1989
    Format: Government Document Book


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  5. 5
    Hydrology of the Great Plains Aquifer system in Nebraska, Colorado, Kansas, and adjacent areas

    Hydrology of the Great Plains Aquifer system in Nebraska, Colorado, Kansas, and adjacent areas by Helgesen, John O.

    Washington : Denver, Colo. : U.S. G.P.O. ; For sale by Book and Open-File Report Sales, 1993
    Format: Government Document Book


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  6. 6
    Water resources of the Mississippi and Sauk Rivers watershed, central Minnesota

    Water resources of the Mississippi and Sauk Rivers watershed, central Minnesota by Helgesen, John O.

    Reston, Va. : U.S. Geological Survey, 1975
    Format: Map


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  7. 7
    Ground-water appraisal of the Pineland Sands area, central Minnesota

    Ground-water appraisal of the Pineland Sands area, central Minnesota by Helgesen, John O.

    St. Paul, Minn. : U.S. Geological Survey, 1977
    Format: Government Document Book


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  8. 8
    Assessment of nonpoint-source contamination of the High Plains aquifer in south-central Kansas, 1987

    Assessment of nonpoint-source contamination of the High Plains aquifer in south-central Kansas, 1987 by Helgesen, John O.

    Washington, DC : Denver, CO : U.S. G.P.O. ; For sale by U.S. Geological Survey, Map Distribution, 1994
    Format: Government Document Book


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  9. 9
    Geology and water-supply potential of the Anoka sand-plain aquifer, Minnesota

    Geology and water-supply potential of the Anoka sand-plain aquifer, Minnesota by Helgesen, John O.

    St. Paul : Minnesota Department of Natural Resources, Division of Waters, 1977
    Format: Book


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  10. 10
    Hydrogeology and ground-water-quality conditions at the Harvey County Landfill, south-central Kansas, 1990

    Hydrogeology and ground-water-quality conditions at the Harvey County Landfill, south-central Kansas, 1990 by Helgesen, John O.

    Lawrence, Kan. : Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Books and Open-File Reports [distributor], 1993
    Format: Government Document Book


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  11. 11
    Water resources of the Lake of the Woods watershed, north-central Minnesota

    Water resources of the Lake of the Woods watershed, north-central Minnesota by Helgesen, John O.

    Reston, Va. : U.S. Geological Survey, 1975
    Format: Map


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  12. 12
    Water resources of the Little Fork River watershed, northeastern Minnesota

    Water resources of the Little Fork River watershed, northeastern Minnesota by Helgesen, John O.

    Reston, Va. : The Survey, 1976
    Format: Government Document Map


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  13. 13
    Assessment of nonpoint-source contamination of the High Plains aquifer in south-central Kansas, 1987

    Assessment of nonpoint-source contamination of the High Plains aquifer in south-central Kansas, 1987 by Helgesen, John O.

    Lawrence, Kan. : Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports [distributor], 1992
    Format: Government Document Conference Proceeding Book


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  14. 14
    Water resources of the Little Fork River watershed, northeastern Minnesota

    Water resources of the Little Fork River watershed, northeastern Minnesota by Helgesen, John O.

    Reston, Va. : U.S. Geological Survey, 1976
    Format: Map


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  15. 15
    Appraisal of ground water for irrigation in the Little Falls area, Morrison County, Minnesota

    Appraisal of ground water for irrigation in the Little Falls area, Morrison County, Minnesota by Helgesen, John O.

    Washington : U.S. Govt. Print. Off., 1973
    Format: Government Document Book


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  16. 16
    Water resources of the Little Fork River watershed, northeastern Minnesota

    Water resources of the Little Fork River watershed, northeastern Minnesota by Helgesen, John O.

    Reston, Va. : The Survey, 1976
    Format: Map


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  17. 17
    A steady-state unsaturated-zone model to simulate pesticide transport

    A steady-state unsaturated-zone model to simulate pesticide transport by Rutledge, A. T.

    Lawrence, Kan. : Denver, Colo. :; Lawrence, Kan. : Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports [distributor], 1991
    Other Authors: “…Helgesen, John O.…”
    Format: Government Document Book


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  18. 18
    Ground- and surface-water interaction between the Kansas River and associated alluvial aquifer, northeastern Kansas

    Ground- and surface-water interaction between the Kansas River and associated alluvial aquifer, northeastern Kansas by Wolf, R. J. (Ronald J.)

    Lawrence, Kan. : Denver, Colo. :; Lawrence, Kan. : Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Books and Open-File Reports, Denver Federal Center [distributor], 1993
    Other Authors: “…Helgesen, John O.…”
    Format: Government Document eBook
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  19. 19
    Water resources of the Kettle River Watershed, east-central Minnesota

    Water resources of the Kettle River Watershed, east-central Minnesota

    Washington : U.S. Geological Survey, 1973
    Other Authors: “…Helgesen, John O.…”
    Format: Book


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  20. 20
    Characterization of ground-water flow and chemical transport beneath two irrigated fields in south-central Kansas, 1988

    Characterization of ground-water flow and chemical transport beneath two irrigated fields in south-central Kansas, 1988 by Rutledge, A. T.

    Lawrence, Kan. : Denver, Colo. :; Lawrence, Kan. : Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports Section [distributor], 1990
    Other Authors: “…Helgesen, John O.…”
    Format: Government Document Book


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