Document
1991/04/08: Memo from Gerard T. Donnelly to George Ware, Duane Henry, and Craig JohnsonApril 8 1991
Donnelly, Gerard T.
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Employee in forested area participating in controlled burn, smoke to the left1980s
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Jerry Wilhelm outdoors participating in controlled burn
Audio
Lecture by Ray Schulenberg: The Story of The Morton Arboretum Prairie RestorationSeptember 11 1987
Document
Significance of Changes in Floristic Composition of the Morton Arboretum's East WoodsWilhelm, Gerould