How to distinguish Douglas fir from Sitka spruce lumber
Authors: | Forest Products Laboratory |
Year: | 1919 |
Type: | Technical Note |
Station: | Forest Products Laboratory |
Source: | Technical note ; D2 |
Authors: | Forest Products Laboratory |
Year: | 1919 |
Type: | Technical Note |
Station: | Forest Products Laboratory |
Source: | Technical note ; D2 |