TTIE AI L0WAB1.E ANNUAL CUT OF WESTERN WHITE t'INE ON 

 NATIONAL FORESTS OF NORTHERN IDAHO 



_:t oi Stocked western white pine land (fig. 45) .acres.. 1,188,100 

 .-.jinual area cut allowing for age deficiency (stands older 



than 40 years spread over 80 years) acres. . . 8,300 



.Area reduction tor fire loss do, . . 2,100 



Net area cut acres .... 6,200 



Volume of western white pine per acre in saw-timber 



stands board teet . . 7>600 



Allowable annual cut of western white pine do . 47,000,000 



ALLOWABLE ANNUAL CUT OF WESTERN WHITE I'l.VE OUTSIDE 



OF CLEARWATER DISTRICT 



Area of stocked western white pine land (fig. 46). , .acres. . 1,575,800 

 Annual area cut (spreading stands older than 60 years 



over a period of 60 years) do. . . . 11,300 



Area reduction for fire loss do. . . . 2,600 



AGE 



(Yeors) 



COmmERCIAL UJHITE PIOE STflRDS 

 OUTSIDE CLEflRUUflTER DISTRICT 



101 + 

 8! + 

 61 + 

 41 4- 

 21 4- 



1 4- 























1 



1 



/ <^ ArTi 1 AI 



1 





ir^ 



^ 



7 

 IDEAL 



1 







l_ 

















1 1 '' 





III" 













111! 





I 1 1 I 











1 1 1 1 





1 





C 



) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1. 

 MILLION ACRES 



5 



Figure 46. — Present age dislribulion {ciimulalive) of commercial western 

 white pine stands outside of the Clearwater district compared with an 

 ideal pattern for a IZO-year rotation on a one-cut basis. 



Supplementary Tables 



Net area cut do. . . . 8,700 



Volume of western white pine per acre in saw-timber 



stands board feet . . 7,400 



Allowable annual cut of western white pine do. . . . 64,000,000 



RGE 



(Yeors) 



101 4- 



81 4- 



61 + 



41 4- 



21 4- 



I 4- 



COmmERCIflL UUHITE PinE STflnOS 

 in CLEfiRUUflTER DISTRICT 



jAr^^ACTUAL 

 ^^^^^^IDEAL 



0.2 0.4 0.6 



MILLION ACRES 



0.8 



Figure 47. — Present age distribution (cumulatice) of commercial western 

 white pine stands in the Clearw.iter district compared with ideal pattern 

 for a 1 20-\car rotation on a onc-iut basis. 



ALLOWABLE ANNUAL CUT OF WESTERN WHITE PINE 

 CLEARWATER DISTRICT 



Area of stocked western white pine land (fig. 47). acres. . 

 Annual area cut (spreading stands older than 20 years 



over a period of 100 years) acres. . . . 



Area reduction for fire loss do. . . . 



Net area cu t do ... . 



Volume of western white pine per acre in saw-timber 



stands board feet. 



Allowable annual cut of western white pine do. . . 7 



773.000 



6,300 



400 



5,900 



12,000 Ij 



1,000,000 



Table 8. — Forest-land area b\ ownership ' and broad commercial classes, northern Idaho. 



Forest land class 



Large 

 private 



Small 

 private 



State 



County 



Indian 

 reserva- 

 tion 



Public 

 domain 



Wat.T- 

 power 

 reserva- 

 tion 



Total 



National 

 forest 



Total, all 

 owner- 

 ships 



Commercial forest land ^ 



1,000 

 acres 

 1, 179. 7 



1,000 

 acres 

 1,501.9 



1,000 

 acres 

 614.4 



5.8 



72.5 



1,000 

 acres 

 108.2 



1,000 

 acres 

 40.7 



1,000 

 acres 

 179.8 



1,000 

 acres 

 48.1 



1,000 

 acres 

 3, 672. 8 



5.8 



349.4 



7,000 

 acres 

 3, 194. 6 



1,00'> 

 acres 



fi. 867 4 



Noncommercial forest land: 



Withdrawn from timber use ^ 



229. 8 235. ti 



Chiefly valuable for purposes other than timber 



174.8 



30.1 



3.1 



.2 



38.7 



30 n 



2, 877. 4 3, 226. 8 



Total 





1.354.5 



1, 532. 



692.7 



111.3 



40.9 



218.5 



78.1 



4, 028. 



6, 301. 8 



10, 329. 8 



1 Ownership data as of 1934; forest areas as of Jan. 1, 1939. 



' Land capable ol producing commercial timber and economically accessible 

 now or prospectively, and not reserved from cutting. 



3 Land capable of producing commercial timber and economically acces- 

 sible, now or prospectively, but reserved Irom cutting. 



' Consists of subalpine and other forest land which because of low produc- 

 tivity or extreme inaccessibility appear to be permanently out of the commer- 

 cial timber-producing class. 



64 



