Search Results - DeWitt, Jerald R.

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  1. 1
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    Iowa Commercial Pesticide Applicator Manual, Category 1E Animal Pest Control. CS-13 / by DeWitt, Jerald R.

    Published 1976
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  2. 2
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    Iowa Commercial Pesticide Applicator Manual, Category 10 Demonstration and Research. CS-25 / by DeWitt, Jerald R.

    Published 1976
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  3. 3
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    Iowa Commercial Pesticide Applicator Manual, Category 2 Forest Pest Control. CS-14 /

    Published 1976
    Other Authors: “…DeWitt, Jerald R.…”
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  4. 4
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    Iowa Commercial Pesticide Applicator Manual, Category 9 Regulatory Pest Control. CS-24 /

    Published 1977
    Other Authors: “…DeWitt, Jerald R.…”
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  5. 5
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    Iowa Commercial Pesticide Applicator Manual, Category 11 Aerial Applicators. CS-26 /

    Published 1976
    Other Authors: “…DeWitt, Jerald R.…”
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  6. 6
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    Iowa Commercial Pesticide Applicator Manual, Category 8 Public Health Pest Control. CS-23 /

    Published 1976
    Other Authors: “…DeWitt, Jerald R.…”
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