by Gilbert Herman Schubert
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A provisional tree seed-zone and cone-cr...
Reforestation practices for conifers in ...
Silvical characteristics of incense-ceda...
Silviculture of southwestern ponderosa p...
Silviculturist's point of view on use of...
Trees, shrubs and flowers of the Redwood...
Yosemite, the big trees and the High Sie...
Redwoods
The big tree and its story ..
Big tree
The redwoods of coast and Sierra