





Table 



48 ._ 



-Per 



cent of 



fires 



accord! 



r.g to t: 



~e fro- 



origin 



to discovery »i 



thin eac 



rt size 



class and 



fuel 

































( 



A 



1950-53) 























?inal 

 size 



















































3 







- 2 





2 







: 



- 3 











- 24 



24 









- "2 







72- 































rU5_ 



























Other 





: - : - - 



Spruce 



















Other 



Spruce 



Other 



S zr. : -: 





Sprues 



• 



Spruce Other 



!ia 7 



A 



40.7 



53.1 



13.5 



8 



2 



5.1 



10.2 



8 



5 



i0.2 



5 



1 



4.1 



11.8 



6.1 



3.4 



2.0 



3 



4 







8 



5 



6.1 



100.0 100.0 



B 



44.7 



58.3 



13.8 



6.3 



9.2 



6.3 



15 



4 



8.3 



7 



7 



2.1 



3.1 



4.2 



3.1 



6.2 



1 



5 







1 



5 



8.3 





C 



35.7 



37.0 



21.4 



3 



7 







7.4 



"_: 



7 



14.9 



10 



7 



11.1 











7.1 



14.8 



7 



2 



3.7 



7 



2 



7.4 









33.3 



16.7 



11.1 



16 



.7 



11.1 













16.7 













11.1 



16.7 



22.2 



16. 6 



11 



2 













16.6 





B 



15.4 



13.2 



33.3 



36 



,4 











15 



4 



9.1 



7 



" 



1B.1 



15.4 



9.1 



7.7 

















7 



6 



9.1 































June 























A 



58.5 



. ; 



6.4 



7 







6.4 



:2.2 



6 



5 



14.3 



6 



4 



5.3 





12 . 5 



7.7 



1.8 



5 





1.3 



3 



8 



3.5 





B 



36.2 



23.5 



14.5 



14.7 



7.3 



11.8 



8 



7 



U.8 



7 



3 



11.8 



4.3 



6.6 



13.0 



8.8 



2 



9 







5 



B 



8.8 





C 



38.3 



16.7 



4.3 



12 



.5 



10.7 



4.2 



3 



6 



20.8 



10 



6 



8.3 



10.6 



20.8 



4.2 



12.5 



2.1 







10 



6 



4.2 





D 



38.9 



31.2 



11.1 









5.6 











12.5 



5 



5 



6.2 



27.8 



12.5 







25.1 





1 













12.5 





E 



;c: 



35.3 





5 





: 



: . 3 









17.6 



3 





3 



: 1 . ; 



11 . : 



: 



17.3 







5.9 



: 



























































A 



34.7 



32.2 



8.7 



25 







3.B 



7.1 



10 



6 



14.3 



4 



- 



3 . £ 



16.3 





9.6 



7.1 





8 



7.1 



6 



7 







B 



32.0 



35.6 



16.0 



10 



.7 



2.0 



10.7 



10 







7.1 



6 







10.7 



10.0 



7.1 



14.0 



14.3 













10 







3.6 





C 



19.4 



24.0 



9.8 



12 



.0 



6.4 



12.0 



29 







12.0 



3 



2 



8.0 



3.2 



8.0 



9.7 



20.0 



6 



4 



4.0 



12 



9 









D 







50.0 



16.7 













16.7 



16 



7 



33.3 





















33.3 

















33 











£ 



13.5 



21.4 









10.8 







3 



14.3 













24.3 



14.3 



















7.1 































: . - 



2"USt 























A 



20.4 



27. e 



7.9 



5 



.6 



". : 



11.1 



ic 



= 



11.1 



" 



! 



11.1 



23.4 



5 . 5 



7.8 



11.1 







5.6 



" 









B 



26.3 



11.1 



5.3 









5.3 



11.1 



5 



3 



22.3 



10 



5 



11.1 



10.5 







21.0 



33.3 



5 



3 







10 



5 



U.l 





C 



12.5 



25.0 



12.5 

















25 







25.0 









12.5 







12.5 



25.0 



12.5 













25 







12.5 





D 



66 .7 











































33.3 































2: . : 



25.0 



12 . : 

























25.3 











12 



5 



23.: 



37 



5 



25.0 





A 



33.5 









: 





t . c 





3.2 







9 



o . c 



17 



7 







7.5 





- 



u z 



2.6 





6 





B 



36.9 



39 



5 



13 



8 



9.2 



6.4 



3.2 



10.8 



10.1 



6 



5 



7.6 



5 



9 



5 



9 



10.8 



10 



9 



3.0 







5 



9 



7.6 



C 



30.7 



26 



2 



10 



5 



8.3 



6.1 



7.1 



15.8 



16.7 



7 



9 



9.5 



5 



3 



9 



5 



7.9 



15 



5 



4.4 



2.4 



11 



4 



4.8 







33.3 



30 







11 



1 



3.3 



5.6 



3.3 



2.8 



16.7 



2 



g 



3.3 



16 



6 



16 



7 



13.9 



16 



7 



8.3 









6 



10.0 





16.7 





1 



15 





1: .2 



6.7 



- - 



:e . ; 



13.3 







4.3 



20 







13 



: 



5.0 



:: 



9 



3.0 









6.6 



1/ ' Spruce 1 tjpe consists of Spruce , spruce -hs.rd.Tcod . 



'Other': 3roadleaf, reproduction, brush, grass, tundra, cruskeg. 



Source: Coded IBM runs free indifidual fire reports based on 1,149 fires. 



156 



