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: | 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: | 1915 |
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Description: | A group of students and a teacher are sitting at desks in a classroom while listening to a lesson on the dangers of house flies. Agricultural lecture chart... |
Date: | |
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Description: | Letterhead of the Acme White Lead & Color Works of Detroit, Michigan, which as part of its business produced insecticides for farm and home garden applicat... |
Date: | 1970 |
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Description: | Informational sheet warning of the dangers of consuming fish contaminated with DDT. |
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