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Filtering by: Subject Groundwater flow -- Oregon -- McRae Creek Watershed Remove constraint Subject: Groundwater flow -- Oregon -- McRae Creek Watershed Decade 1980-1989 Remove constraint Decade: 1980-1989

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  • Groundwater flow model for the lower Malheur Basin near Ontario, Oregon

    Creator:
    Walker, David S.
    Abstract:
    The shallow, poorly-confined, sand and gravel aquifer underlying the lower Malheur River basin is contaminated by nitrate and metabolites of the herbicide dimethyl tetrachloroterephthalate (DCPA), first detected in 1983 and 1985, respectively. The aquifer supplies water for the Ontario municipal water system, domestic and industrial uses, and irrigation. In response...
    Resource Type:
    Masters Thesis
    Full Text:
    . Groundwater Flow Model for the Lower Malheur Basin Near Ontario, Oregon by David S. Walker A THESIS

  • Mapping of the groundwater system on Camp Creek using geophysical methods

    Creator:
    Barber, John Prentiss, Jr.
    Abstract:
    This study was undertaken in an attempt gain a more thorough understanding of stream/aquifer interactions on camp Creek in Central Oregon. Sections of the creek were excluded from livestock grazing between 1966 and the present. Objectives of the study were to measure the extent of the shallow aquifer in the...
    Resource Type:
    Masters Thesis