Spraying a carbamate insecticide on a ponderosa pine tree near Seeley Lake, Montana to protect against the mountain pine beetle.
Schlüsselwörter
agriculture,
cloud,
color image,
destructive,
environmental conservation,
environmental issue,
forest,
gas-mask,
glove,
holding,
insecticide,
invasive,
montana,
one person,
outdoors,
people,
sky,
spraying,
calmness,
tree,
tree trunk,
us,
vertical,
waist up
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