Date: | 1925 |
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Description: | Loading an airplane with calcium arsenate in order to spray for the hemlock looper pest in Peninsula State Park. This is believed to be the first such use ... |
Date: | 09 14 1925 |
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Description: | Rear view of a man plowing rough land with a McCormick-Deering 15-30 tractor near forest. |
Date: | 11 28 2014 |
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Description: | A wooden sign sitting in a snow-covered field which reads: "Chief Shabbona Forest Preserve." It includes two images of trees, and on the bottom right is th... |
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