Table 41 



--Area burned according to cause and whether or not suppression action was taken, 1950-58 



Year 





Lig 



itning 







Man 



-caus e d 





Total 



Action 



No-action 



Action 





No- 



action 





Acres 



Percent 



Acres 



Percent 



Acres Percent 



Acres 





Acres 



1950 









679,080 



33 



ftP ^ 



A 

 *± 



1 ,296 , 424 



63 



2 ,057 ,817 



1951 





4 



6,591 



3 



149,391 



68 



54,924 



25 



219,694 



1952 





pn 





u 



47 945 



65 



11 ,064 



15 



73,801 



1953 



209,138 



45 



121,354 



26 



130,256 



28 



6,000 



1/ 



466,748 



1954 



3R9 07« 



28 



972 , 674 





27,798 



2 



370 



0/ 



1 389 9P0 



1955 



6 , 329 



17 



10 ,053 



87 



10,053 



27 



10 ,797 



29 



37,232 



1956 



323 ,708 



68 



133,282 



28 



19,062 



; 



490 



- T 



476 , 542 



1957 



3,826,261 



76 



755,183 



15 



201,382 



4 



251,728 



5 



5,034,554 



1958 



168,106 



53 



50,671 



16 



95,258 



31 1 



1 ,825 



1- 



315 ,860 



Av. 



549,574 



49 



303,214 



27 



84,828 



8 



181,514 



16 



1,119,130 



Source : 



Percentages 



from coded IBM runs 



from individual 



fire reports 













Total acreaj 



;es from 



Annual Reports of the Director, Bureau of Land 



Management 



[Statistical 



Appendix). 





Other acrea; 



res computed from above sources . 













149 



