46 Forestry Quarterly. 



ation upon the outfit is charged and the total cost thus obtained 

 is set over against the area examined for the determination of 

 the unit area costs. 



Sample Cost Statement. 



Salaries $1,000.00 



Supplies 900.00 



Travelling Expenses 200,00 



Depreciation of Outfit — 



On Property Transferred $300 



On Property Purchased 100 



400.00 



Freight Charges 20.00 



Express Bank and Postal Charges 3.00 



Total Cost of Operation $2,523.00 



Cost per unit area of land examined. 



Cost per actual field work day. 



Cost of maintenance per man per day. 



