188 OUR NATIONAL FORESTS 



The system of marking and the proportion of the 

 timber to be cut is explained to purchasers by mark- 

 ing sample areas before the contract is executed. 

 The cost of logging under the methods of marking 

 adopted is compensated fully in the stumpage ap- 

 praisal. 



Scaling, Measuring, and Stamping. Unless 

 timber is sold by estimate, it must be scaled, 

 counted, or measured before it is removed from the 

 cutting area or place agreed upon for this purpose. 

 In addition it must be stamped by a Forest officer 

 with a regulation marking ax or similar instru- 

 ment. Payment is made upon the actual scale, 

 count or measure, with due allowance for defect. 



All National Forest timber is sold under specifi- 

 cations which are in accordance with those in com- 

 mercial use, such as logs by the thousand board feet, 

 ties by the piece, poles by length and top diameter, 

 shingle bolts by the cord, and mining timbers by 

 the linear foot. All logs are scaled at the small 

 end. 



All saw timber is scaled by the Scribner Decimal 

 C log rule. In order to permit scaling at reason- 

 able cost to the Forest Service, purchasers may be 

 required, where the cost of logging may not be 



