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Filtering by: Decade 1980-1989 Remove constraint Decade: 1980-1989 Date 1983 Remove constraint Date: 1983 Non-Academic Affiliation Oregon State University. Agricultural Experiment Station Remove constraint Non-Academic Affiliation: Oregon State University. Agricultural Experiment Station Subject Agriculture -- Columbia River Watershed -- Statistics -- Periodicals Remove constraint Subject: Agriculture -- Columbia River Watershed -- Statistics -- Periodicals

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