USDA Forest Service
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The U.S. Department of Agriculture Forest Service is a Federal agency that manages public lands in national forests and grasslands. The Forest Service is also the largest forestry research organization in the world, and provides technical and financial assistance to state and private forestry agencies. Gifford Pinchot, the first Chief of the Forest Service, summed up the purpose of the Forest Service—"to provide the greatest amount of good for the greatest amount of people in the long run." |
| 4 Images of 2 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 1400144 | Eutypella canker | Eutypella parasitica | canker on maple in a Wisconsin sugarbush stand. |
| 1400108 | Hypoxylon cankers | Hypoxylon spp. | Canker (discolored, sunken area on bark) on aspen |
| 1400107 | Hypoxylon cankers | Hypoxylon spp. | Stroma |
| 1400106 | Hypoxylon cankers | Hypoxylon spp. | (on broken stem), |
