TABLES 



449 



TABLE XXVIL — RED, BLACK AND SCARLET OAKSi VOLUME 

 TABLE IN TIES. 



Based on measurements of 159 trees. 



.\1I first-class ties — 6' X S'X 8'. 



Note. — The volume in "topwood" (top and branches) was obtained by .subtracting the aggre- 

 gate cubic volume of tie logs to a minimum top diameter of 9 inches, outside bark, from the total 

 used volume of the tree, in cubic feet (to a minimum diameter of 2 inches, outside bark). 



' Taken from U. S. Forest Service Bull. 96. 



