Search Results - Jennings, Vivan M.

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  1. 1
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    Iowa Commercial Pesticide Applicator Manual, Category 1A Agricultural Weed Control / by Jennings, Vivan M.

    Published 1976
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    Microfilm Book

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  2. 2
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    Iowa Commercial Pesticide Applicator Manual, Category 5 Aquatic Pest Control. CS-17 / by Jennings, Vivan M.

    Published 1976
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  3. 3
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    Iowa Commercial Pesticide Applicator Manual, Category 6 Right-of-Way Pest Control. CS-18 / by Jennings, Vivan M.

    Published 1976
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