Date: | 1933 |
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Description: | Three men working near a tree. During 1933 Menominee Indians protected over 4000 acres of white pines from the blister rust threat. |
Date: | |
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Description: | Six-man crew at Camp Mercer looking for ribes (gooseberries), a stage essential for the transmission of blister rust to white pines, working in a marsh are... |
Date: | 1935 |
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Description: | Slightly elevated view of a ribes eradication crew that was part of the white pine blister rust effort in a Barron County forest. The caption indicates tha... |
Date: | 1938 |
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Description: | A crew of Civilian Conservation Corps (CCC) youth starting for the field where they were working on ribes eradication as part of the effort to defeat the w... |
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