by Carroll B. Williams
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Differential effects of the 1944-56 spru...
Effects of aerially applied Mexacarbate ...
Possible grouse damage on true firs
Incidence and effects of endemic populat...
Snow damage to coniferous seedlings and ...
Pacific silver fir
Heart-rot hazard is low in Abies amabili...
Potential loss due to decay and insect a...
The density of Pacific silver fir regene...
The balsam woolly aphid on young Pacific...
Decay of western hemlock and amabilis fi...
Shade tolerance in Tsuga heterophylla (w...