Date: | 07 1938 |
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Description: | Loading a truck with bait at the county mixing station at Balsam Lake during the grasshopper outbreak in northwestern Wisconsin. |
Date: | 07 1938 |
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Description: | Grasshopper bait mixing station at Ellsworth. |
Date: | 07 1938 |
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Description: | At a small sawmill near Shell Lake, farmers shovel sawdust which will be mixed with a whey product and applied to fields for grasshopper eradication during... |
Date: | 1938 |
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Description: | At the grasshopper bait mixing station at Fall Creek, two cement mixers were used to mix sawdust, a whey product, and sodium arsenite. So severe was the gr... |
Date: | 1923 |
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Description: | A man is using a barrel sprayer to apply pesticide to a fruit tree on Prof. Holden's farm. |
Date: | 1924 |
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Description: | A wooden fly trap standing at the back entrance to the farmhouse of Professor Perry Holden. |
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