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Filter: COLLECTION_NAME of Wisconsin Conservation Department subject files, 1917-1979
| Date: | 1946 |
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| Description: | Cover of United States Department of the Interior Circular 11 entitled DDT: Its Effect on Fish and Wildlife by Clarence Cottam and Elmer Higgins. Th... |
| Date: | 1947 |
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| Description: | Pages one and Two of Senate Bill 458 regarding the depositing of toxic insecticides. |
| Date: | 07 1957 |
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| Description: | Letter from Mrs. F.L. "Dixie" Larkin of Milwaukee, Wisconsin, to The Wisconsin Conservation Department regarding the use of DDT to control Dutch Elm Diseas... |
| Date: | 06 30 1957 |
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| Description: | Letter from Marie Thompson of Milwaukee, Wisconsin, President of the Animal Protective League to John Beale, Chief Forester at the Wisconsin Conservation D... |
| Date: | 07 21 1957 |
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| Description: | Letter from Harold Kruse, President of Citizens Natural Resources Association of Wisconsin, to L.P. Voigt of the Wisconsin Conservation Department regardin... |
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