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Browsing Extension Service -- Circulars / Extension Circulars by Author "Trimmer, Walter L."

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Browsing Extension Service -- Circulars / Extension Circulars by Author "Trimmer, Walter L."

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  • Oregon State University. Extension Service; Trimmer, Walter L. ([Corvallis, Or.] : Oregon State University, Extension Service, 1994-09)
    Measuring the flow rate of water is the first step to good water management. All water right holders in the State of Oregon must be able to measure the flow rate of the water being diverted.
  • Oregon State University. Extension Service; Trimmer, Walter L. ([Corvallis, Or.] : Oregon State University, Extension Service, 1991)
    Groundwater is an important resource in Oregon. As more people depend on groundwater, some water tables around the State are dropping, threatening their water supplies. State law requires that groundwater be managed ...
  • Oregon State University. Extension Service; Trimmer, Walter L. (Corvallis, Or. : Extension Service, Oregon State University, 1988-10)

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