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Filter: Categories of Wisconsin Historical Images
Filter: Subject of Pest control
Filter: Subject of trees
Filter: Subject of public health
| 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: | 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: | |
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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... |
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