SPECIES OP WOODS. 



95 



ft., sp. gr. 0.5157; strong (21st in this 

 list) ; very elastic (10th in this list) ; 

 medium hard (45th in this list) ; shrink- 

 age, 3 per cent, or 4 per cent. ; warps 



; durable ; difficult to work, 



flinty, splits readily. 



Common Uses: Heavy construction, 

 masts, flag poles, piles, railway ties. 



Remarks: One of the greatest and 

 the most valuable of the western timber 

 trees. Forms extensive forests. 



Radial Section, 

 Hfe size. 



Cross-section, 

 magnified 37^ diameters. 



Tangential Section, 

 life size. 



