Date: | 1965 |
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Description: | Cover page of a manual for dealing with Ductch Elm Disease with notes taken by Lorrie Otto. |
Date: | 1965 |
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Description: | Map of Wisconsin showing counties shaded according to when Dutch Elm Disease was first found in the county. |
Date: | 1953 |
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Description: | A man and three women standing at the base of a large tree, identified as the Muir Locust. The tree grew along Observatory Drive on the University of Wisco... |
Date: | 1955 |
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Description: | Workers strain to move a heavy limb which has been cut from the large black locust tree which grew along Observatory Drive on the University of Wisconsin c... |
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