50 NATIONAL FOREST MANUAL TIMBER SALES. 



Brush disposal must always keep pace with logging, except when 

 the depth or snow or other adequate reasons make 



Rate of disposal. j- . ., . . ., , ._. 



proper disposal at the time impossible. Frequent 

 inspection is necessary to see that the contract is being fulfilled in 

 this respect. 



District foresters will, wherever necessary or advisable, issue more 

 Detailed instruc- detailed instructions for the disposal of brush in 

 tions. types found in the district. 



SCALING. 



Unless timber is sold on the basis of an estimate, as is occasionally 

 done in timber settlement, it must be scaled, counted, or measured 

 before it is removed from the cutting area, or from the place agreed 

 upon for the scaling, counting, or measuring. 



All saw timber will be scaled by the Scribner Decimal C log rule. 



scale rule This rule drops the units and gives the contents of a 



log to the nearest 10. When the total scale of a log 



is desired, all that is necessary is to add one cipher to the sum of the 



numbers read from the scale stick, excepting the contents of 6 and 8 



foot logs, 6 and 7 inches in diameter. These are given as 0.5, which 



multiplied by 10 gives 5 feet as the actual contents. 



In the absence of a scale stick, or where the position of logs in the 

 pile makes its use difficult, the diameters and lengths may be tallied 

 and the contents figured from a scale table later. 



In order to decrease cost, purchasers may be required to skid logs 

 for scaling, unless the cost of logging will be greatly 

 f increased by such requirement. Whenever this 

 requirement is made it should be covered by an 

 appropriate clause in the contract. 



The Forest officer should always insist on having one end of piles or 

 skidways even, so that the ends of logs may be easily reached. 



When necessary and possible, the purchaser will be required to 

 mark top ends of logs to avoid question when they are scaled in the 

 pile. 



Each log scaled must be numbered with crayon. The number will 

 be the same as that opposite which the scale of the 

 Numbering logs, j . recor( ied in the scale book. 



The logs in all skidways must be counted, and the 

 * 1 number in each pile checked with the entries in the 



scale book. 



Each merchantable log after scaling will be stamped "U. S." on at 

 least one end. Logs so defective as to be unmer- 

 unping logs. c hantable will not be stamped, but will be marked 



"Cull." 



On all National Forests except those in Alaska and west of the sum- 

 mit of the Cascade Mountains in Washington and 

 lengths in Oregon, logs over 16 feet long will be scaled as two or 



more logs, if possible in lengths not less than 12 feet. 

 The following table shows how the lengths may be divided when 

 scaling logs 18 to 60 feet long. The number of inches to be added to 

 the diameter at the small end of each log, to cover taper, is placed 

 under each length. 







