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: | 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: | Flies and mosquitoes, and fruits and vegetables with faces drawn on them, are looking with alarm at a man pushing what appears to be a grocery basket with ... |
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