110 



Forest Club Annual 



Table 8 shows the cost of treating poles according to method 

 and preservative. 



TABLE 8. POLE TREATMENT WESTERN YELLOW PINE. 



Comparative cost of treatment, standard 40-foot pole, 



weighing 800 pounds treating 6 1 /4 cubic feet. 



In the above table the cost of preservatives is taken as 

 follows : 



Creosote $.20 per gallon 



Carbolineum 60 



Crude petroleum 05 



Zinc Chloride 05 pound 



The following table shows the comparative cost of maintain- 

 ing a 40-foot pole, according to treatment, at Fresno, Calif. 



The table shows very plainly that treating pays. The greater 

 the value of the pole when finally set in line the greater is the 

 balance in favor of treatment. 



When cedar poles are quoted at $8.00 in Fresno, Cal., pine 

 can not be used more economically unless it is creosoted or 

 treated with zinc chloride. But at points where freight and 

 teamirg charges ar 1 d several dollars to the cost of each timber 

 the balance swings more and more to pine under any treatment 

 as will be apparent by computing the proper annual charge for 



