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USDA Forest Service

USDA Forest Service

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."
Remove Filters: Peter L. Lorio, Jr.(X)
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Image Subject Name Scientific Name Description
1546223 pine Pinus spp. Series of photomicrograph cross sections of pine stems showing change in phenology of cells throughout summer and its relation to SPG
1546222 pine Pinus spp. Series of photomicrograph cross sections of pine stems showing change in phenology of cells throughout summer and its relation to SPG
1546221 pine Pinus spp. Series of photomicrograph cross sections of pine stems showing change in phenology of cells throughout summer and its relation to SPG
1546220 pine Pinus spp. Series of photomicrograph cross sections of pine stems showing change in phenology of cells throughout summer and its relation to SPG
0745088 snow and ice damage (snow load) ice storm damage to loblolly pines
0745023 black turpentine beetle Dendroctonus terebrans pitch tubes and infestation following mechanical damage
0745087 hurricane from Hurricane Camille September 1969
0745069 southern pine beetle Dendroctonus frontalis simulated lighting strike using detonating cord done by USAF Bomb Squad
0745089 southern pine beetle Dendroctonus frontalis larva being parasitized by dipterian larva
0745086 hurricane from Hurricane Camille October 1969

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