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Now showing items 11-13 of 13
Pattern alteration
(Oklahoma Cooperative Extension Service, 1966-01)
Oklahoma Agricultural Experiment Station, Bulletin no. 651, October 1966: Designing an automatic cut-back furrow irrigation system
(Oklahoma Agricultural Experiment Station, 1966-10)
Oklahoma Agricultural Experiment Station, Bulletin no. 644, February 1966: The changing economic structure of Oklahoma agriculture
(Oklahoma Agricultural Experiment Station, 1966-02)