Table I. --Age of slash at time of measurement 





Old slash 







New slash 





Aspect and 

 Block 



Date slashing 

 completed 



! Age 



: Aspect and 

 : Block 



Date slashing 

 completed 



'. Age 



South-10 

 North-13 

 West-11 



5/31/67 

 7/16/67 

 7/11/67 



Months 

 12? 



i i 1 



South- 11 



East-5 



East-4 



North-10 



West-13 



10/25/67 

 1 1/16/67 

 11/17/67 

 2/7/68 

 2/14/68 



Months 

 8 



-> i 



7l 

 7 1 

 ' 2 

 5 



5 





Average 



12 





Average 



61 



modification of the line interception technique ,3 provided the basis for estimating 

 fuel volume and surface area. In using the planar intersect technique, 15 sampling 

 planes that were 30 centimeters wide and as high as the slash were systematically lo- 

 cated along transects in each of the eight blocks. The sampling planes were established 

 on the ground parallel to contours of the slope by delineating the sides with metal rods 

 plumbed vertically and spaced 30 centimeters apart (figure 1). 



Figure 1. — Pairs of metal rods, sharpened at one end, were stuck 

 in the ground, plumbed vertically and braced SO centimeters 

 apart to delineate the sampling planes. Extremes in the amount 

 of slash encountered are shown. 



l R. H. Canfield. Application of the line interception method in sampling range 

 vegetation. J. Forestry 39: 388-394. 1941. 



