UTILIZATION AND MANAGEMENT OF LODGEPOLE PINE. 



29 



Table 13. — Material of various classes secured under selection cutting and clear cutting 

 on a representative portion of the French Gulch sale, Deerlodge National Forest, Mont. 



[Average acre based on sample areas actually cut and scaled.] 





Selection cutting. 



Clear cutting. 





Cut. 



Uncut. 



Total. 



Cut. 





Number. 



Volume. 



Number. 



Volume. 



Number. 



Volume. 



Number. 



Volume. 



Stulls 8 inches and 



176 

 135 

 41 

 7 

 89 

 3.3 



Cuhicfeet. 

 1,670 

 602 

 110 

 20 

 89 

 266 



67 

 180 

 115 



79 

 106 

 1.9 



Cuhicfeet. 

 546 

 800 

 308 

 238 

 106 

 150 



243 

 315 

 156 

 86 

 195 

 5.2 



Cuhicfeet. 

 2,216 

 1,402 

 418 

 258 

 195 

 416 



238 

 340 

 56 

 203 

 303 

 7.8 



Cuhicfeet. 

 2 135 



Stulls under 8 inches . 



5-inch mine props 



Converter poles 



1,675 

 149 

 610 

 303 





624 







Total 





2,757 





2,148 





4,905 





5,496 















Table 14. — Per cent of material cut and left in selection cuttings on the French Gulch 

 sale, Deerlodge National Forest, Mont. 



Per cent 

 left. 



Cubic-foot volume of stand 



Board- foot volume of stand 



Large stulls 



Cubic-foot volume of large stulls in stand. . 

 Board-foot volume of large stulls in stand . 

 Green trees 3 inches and over in diameter . 

 Green trees 6 inches and over in diameter . 

 Green trees 10 inches and over in diameter 



Table 15.— Number of trees cut and left on an average acre under the selection system, 

 Deerlodge National Forest, Mont. 



Diameter breast- 



Number of trees. 



Diameter breast- 

 high. 



Number of trees. 



high. 



Total. 



Cut. 



Left. 



Total. 



Cut. 



Left. 



Inches. 

 3 



34 



55 



54 



53 



61 



54 



44 



31 



28 



20- 



22 



13 



2 

 5 

 9 

 4 

 5 

 8 

 10 

 16 

 23 

 17 

 19 

 13 



32 

 50 

 45 

 49 

 56 

 46 

 34 

 15 

 5 

 3 

 3 



Inches. 

 15 



6 

 4 

 2 

 1 

 1 

 .25 



6 

 4 

 2 

 1 

 1 

 .25 





4 



16... 





5 



17... 





6 



18... 





7 



19 . 





8 



20... 





9 



21... 





10 



22 









11 



23. . 



.25 



.25 







Total 





13 



483.5 



145.5 



338 



1?. 













Average diameter of trees cut, 11.2 inches. 

 Average diameter of trees left, 6.8 inches. 

 30 per cent of trees 3 inches and over cut. 

 38 per cent of trees 6 inches and over cut. 

 80 per cent of trees 10 inches and over cut. 



