Table 41. — Summary of estimated annual average of losses by fire m the ponderosa pine region in 7924-35, by type and forest-survey unit 



AREA DEFORESTED (ACRES) 





Type 



Eastern Washington 



Eastern Oregon 





Type 

 No. 



Chelan- 

 Colvffle 



Yakima 

 River 



North 



Blue 



Mountain 



Total 



North 



Blue 



Mountain 



Des- 

 chutes 

 River 



South 

 Blue 



Mountain 



Klamath 

 Plateau 



Total 



Grand 

 total 



5H 



Ponderosa pine woodland 



Ponderosa pine, large . ... 



726 

 1,086 

 1,404 



31 

 37 

 90 





757 

 1,123 

 1,501 



2 

 21 

 51 



26 



339 



693 



2 



24 

 63 

 754 



271 



244 



1,330 



19 



10 



185 



96 



1 



1 



323 



667 



2,828 



21 



10 



355 



191 



1 



6 



1,080 

 1 790 



20 





20K 



7 



4 329 



20A 



Ponderosa pine-sugar pine, large. . .. 



21 



20B 



Sugar pine mixture, large... 













10 



21 





589 

 428 



328 



56 





917 

 485 



110 

 43 



-.7 

 15 



53 



37 



1,272 



676 



1 



27 

 6 



Ponderosa pine mixture, large 



1 



7 



Douglas-fir, small old growth... . . . 



Douglas-fir, large second growth 



195 



184 



446 



27 



9,529 



1,197 



412 



49 



14 



6 



4,327 



34 



6,493 



12 



347 

 89 

 147 



51 



423 

 40 

 36 

 61 

 10 



200 

 44 

 30 





207 

 531 

 535 

 174 

 9,580 



1,631 



562 



85 



75 



16 



4, 533 

 78 



6,523 





5 





213 



8 







531 



9A 







3 

 4 



17 



620 

 8 

 14 







3 

 17 



57 



2,198 



274 

 14 



538 



23 



Fir-mountain hemlock, large. . . .. 



Upper-slope mixture, large 



Ponderosa pine seedlings and sap- 









13 



917 

 26 



191 



27H 

 22 





21 



393 

 228 



19 



268 

 12 



9,637 



11 



no 



3,829 



28 

 9B 



Ponderosa pine mixture, small . 



836 

 99 



10 



Douglas-fir seedlings and saplings. .. 

 Fir-mountain hemlock, small .... 











75 



24 







4 

 22 

 39 



225 

 15 





45 



49 

 56 

 44 

 585 

 15 



6 



65 



28J4 



6 



29 



5 



4,589 



25 





5 



272 



122 



26 







45 



43 



7,108 



4 







15 



SB 



Juniper or mountain mahogany 



- 











6 





6 





Total 





















27, 146 



2,032 



135 



29,313 



943 



2,058 1 1.284 



3,435 



7,720 



37,033 













TIMBER VOLUME LOST, LOG-SCALE BASIS (M BOARD FEET) 





98 



