Date: | 1967 |
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Description: | Worker spraying Elm trees with DDT pumped from a tank hitched to the back of a vehicle equipped with a snow plow. |
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... |
Date: | 1914 |
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Description: | Illustration made for International Harvester's Agricultural Extension Department to demonstrate the danger of pests, including diseases carried by insects... |
Date: | |
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Description: | Bumper sticker featuring a skull and crossbones supporting a ban on DDT. |
Date: | |
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Description: | Bumper sticker promoting the banning of DDT. |
Date: | |
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Description: | View of a crop duster spraying a pesticide to control Malaria mosquitoes over a pond. The caption under the image reads: "Aerial 'Gas' Attack Annihilates a... |
Date: | |
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Description: | View from front of a man on a motorcycle squirting fuel oil into a sewer opening at a curb to control mosquitoes. The motorcycle has an oil tank attached l... |
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