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1955. Ford tri-motor spraying DDT. Western spruce budworm control project. Powder River control unit, Oregon.
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Author:
R6, State & Private Forestry, Forest Health Protection
Attribution link:
R6, State & Private Forestry, Forest Health Protection on Flickr.com
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Public Domain. Free for editorial, educational, commercial, and/or personal projects. No attribution required.
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forest
aircraft
airplane
insects
ford
oregon
insecticide
1955
defoliation
usda
usfs
forest service
ddt
aerial spray
checkflickrstar
control proje
forest entomology
forest health protection
powder river
state and private forestry
tri motor
western spruce budworm
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