TABLES RELATING TO PAKTs 111 A M> IV 281 



VOLUME TABLE No. 20. WESTERN WHITE PINE, IN 

 BOARD FEET, BY THE SCRIHNKR RULE 



(From Bulletin No. 36, U. S /ice) 



From timber grown in northern Idaho. 



Trees scaled to a top diameter inside bark of 6 to 8 

 inches. Height of stump 2 to 3 feet. All trees scaled 

 as though sound. Loss by breakage was 4 per cent. 

 Loss due to invisible rot was 5 per cent. 



