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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: Field(X) David McComb(X)

14 Images of 7 Subjects View Subject List View Image Descriptions View Thumbnails

14 Images    

Page: 1/1     Display:


1678011
1678011

western spruce budworm
Choristoneura freemani
Damage
David McComb

1678036
1678036

Douglas-fir tussock moth
Orgyia pseudotsugata
Damage
David McComb

1678054
1678054

pine engraver
Ips pini
Galleries
David McComb

1678032
1678032

Douglas-fir tussock moth
Orgyia pseudotsugata
Adult(s)
David McComb

1678010
1678010

western spruce budworm
Choristoneura freemani
Larva(e)
David McComb

1678040
1678040

European pine shoot moth
Rhyacionia buoliana
Damage
David McComb

1678042
1678042

European pine shoot moth
Rhyacionia buoliana
Pupa(e)
David McComb

1678048
1678048

western pine beetle
Dendroctonus brevicomis
Galleries
David McComb

1678037
1678037

European pine shoot moth
Rhyacionia buoliana
Damage
David McComb

1678058
1678058

white pine weevil
Pissodes strobi
Damage
David McComb

1678023
1678023

Douglas-fir tussock moth
Orgyia pseudotsugata
Egg(s)
David McComb

1678034
1678034

Douglas-fir tussock moth
Orgyia pseudotsugata
Damage
David McComb

1678033
1678033

Douglas-fir tussock moth
Orgyia pseudotsugata
Research
David McComb

1678076
1678076

pesticides
Equipment
David McComb

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