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." |
| 5 Images of 2 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 1241646 | herbicides (general) | Growth distortion of common mullein from hormone type herbicide. | |
| 1241644 | herbicides (general) | A mixture of herbicides was used beneath this pine producing both recurved needles and foliage loss. | |
| 1241758 | fire | This old fire scar has intact bark covering most of the injury. The cambium was killed by a column of heat without burning the bark. Decay extends into the heartwood behind the injury. Pulling away loose bark revealed a single callous ridge typical of a non-canker stem injury. | |
| 1241759 | fire | This old fire scar has intact bark covering most of the injury. The cambium was killed by a column of heat without burning the bark. Decay extends into the heartwood behind the injury. Pulling away loose bark revealed a single callous ridge typical of a non-canker stem injury. | |
| 1241645 | herbicides (general) | Herbicide injury. |
