192 OUR NATIONAI. FORESTS 



Where brush burning is necessary it is not ad- 

 visable, ordinarily, to burn over an entire sale area. 

 It is frequently possible to burn the brush so as to 

 form broad fire hues, particularly along railroads 

 or wagon roads. The best times for brush burning 

 are after a light fall of snow or rain, early in the 

 spring before the snow has melted or the dry season 

 has begun or during or immediately after summer 

 rains. Brush disposal must always keep pace with 

 logging except when the depth of snow or other 

 reasons make proper disposal impossible. Often 

 the brush must lay in piles at least one season before 

 it becomes dry enough to burn. 



Payment for Timber. Payment must be made 

 for all timber in advance of cutting. This, how- 

 ever, does not imply that one advance payment 

 must be made to cover the stumpage value of all the 

 timber included in the sale. Frequent installments 

 are allowed sufficient usually to cover the cut of one 

 or two months. , 



This arrangement makes it possible to secure 

 large tracts of National Forest timber at a very 

 slight initial outlay and to hold them with ahnost 

 no interest charges. The other usual carrying 

 charges, namely, taxes and fire protection, are elim- 



