by Donald L. Copes
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Effects of leader topping and branch pru...
Selection and propagation of highly graf...
Bark scoring problem grafts in five doug...
Effect of date of grafting on survival i...
Effect of graft type on 6-month scion su...
Effect of month of grafting on douglas-f...
The Golden Spruce
Stand-density study of spruce-hemlock st...
Cubic-foot volume tables and equations f...
Spruce reproduction dynamics on Alaska's...
Sitka spruce and Western hemlock beach l...
Early lessons from commercial thinning i...