9y4 



JOURNAIv OF FORESTRY 





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n ;;.; : r*i^ S- 



aTOIMltiili-HiSlillUJi 





3 p. m. and minima at about 4 a. m. These days were typical clear, 

 summer days, and the record, though short, is of considerable 

 significance. 



RATE OF SPREAD OF FIRES 



Three possible measures of rate of spread may be adopted : 1. 

 Linear distance from start ; 2, Area burned ; 3, Perimeter. 



The first is of little value; the second may be used, since damage 

 varies as area ; but for our present purpose the third is most signifi- 



