l.olil.ol l.V OB NORTH CABOU N \ IMNK. 



llM 



sawed 1-7-inch kerf, circular sawed ' , im-h kerf and scaled by 1' 

 Scrihner rule; tin- value f. <. 1. Norfolk, Virginia. of lumber sawed from 

 trees, and the stumpap- value per tree under different costs of oper. 

 calculated mi tin- l>a-i> i actual contents and Doyle-Scribner rule. 

 Tables 62 to 64 give the same data for trees in stands 60 to 70 years 

 old. The salient tVatun- in these tables is the value per 1,000 board feet 

 of tlu> lumber from different sized trees and the value of their stumpage 

 us derived from the value of the lumber. I'nder a high cost of opera- 

 tion the stumpage value per 1,000 board feet more than doubles when 

 the diameter doubles. For a discussion of the three costs of operation 

 *!.'!, and $15), and the import of stumpage value under Doyle- 

 Serilmer scale and mill cut see page l.'l". 



TABLE 58. THE F. O. B. VALUE (In QUARTER. 1013) PER 1.000 BOARD PERT, AT POINT* WRIT* 

 HAVE THE NORFOLK PRICE BAHIS, or DIFFERENT GRADE* OF LVMRER SAWED FROM Loos OF DIF- 

 FERENT DIAMETER*. 



