Search results for: DeWitt, Jerald R.

Showing 1 - 6 results of 6 Refine Results
  1. 1

    Iowa Commercial Pesticide Applicator Manual, Category 10 : Demonstration and Research. CS-25

    Authors: DeWitt, Jerald R.
    Published: Distributed by ERIC Clearinghouse, 1976
    Physical Description: 12 pages
    Microfilm Book
  2. 2

    Iowa Commercial Pesticide Applicator Manual, Category 1E : Animal Pest Control. CS-13

    Authors: DeWitt, Jerald R., Ryan, Stephen O.
    Published: Distributed by ERIC Clearinghouse, 1976
    Physical Description: 10 pages
    Microfilm Book
  3. 3

    Iowa Commercial Pesticide Applicator Manual, Category 2 : Forest Pest Control. CS-14

    Published: Distributed by ERIC Clearinghouse, 1976
    Other Authors: “…DeWitt, Jerald R.…”
    Physical Description: 12 pages
    Microfilm Book
  4. 4

    Iowa Commercial Pesticide Applicator Manual, Category 9 : Regulatory Pest Control. CS-24

    Published: Distributed by ERIC Clearinghouse, 1977
    Other Authors: “…DeWitt, Jerald R.…”
    Physical Description: 23 pages
    Microfilm Book
  5. 5

    Iowa Commercial Pesticide Applicator Manual, Category 11 : Aerial Applicators. CS-26

    Published: Distributed by ERIC Clearinghouse, 1976
    Other Authors: “…DeWitt, Jerald R.…”
    Physical Description: 10 pages
    Microfilm Book
  6. 6

    Iowa Commercial Pesticide Applicator Manual, Category 8 : Public Health Pest Control. CS-23

    Published: Distributed by ERIC Clearinghouse, 1976
    Other Authors:
    Physical Description: 12 pages
    Microfilm Book