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      Shortleaf research, newspaper articles, fact sheets, conference proceedings, literature reviews, and brochures.
     
    
    
    Wood Characteristics 
      Softwoods of North America
    
    
    
    Alden, H. A. (1997). Softwoods of North America. Forest Products Laboratory, General Technical Report GTR-102.  Retrieved from 
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      Softwoods of North America
    