by John S. Hard
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Control of Douglas-fir tussock moth by a...
Identification of destructive Alaska for...
Vertical distribution of cones in red pi...
Frost damage to red pine conelets
Field and laboratory techniques for eval...
The forest ecosystem of southeast Alaska
Field test of two insecticides to contro...
Hemlock sawfly
Estimation of hemlock sawfly (Hymenopter...
Evaluation of a hemlock sawfly outbreak ...
The hemlock sawfly in Southeast Alaska
Sequential sampling of hemlock sawfly eg...