by Paul E. Aho
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Micro-organisms from the pith region of ...
Defect estimation for grand fir in the B...
Defect estimation for white fir in the F...
Decay in tops killed by Douglas-fir tuss...
Decay of grand fir in the Blue Mountains...
Seed
Estimating potential Engelmann spruce se...
Base-age conversion and site-index equat...
Ecology, silviculture, and management of...
Planting Engelmann spruce
A bibliography of Engelmann spruce