Bul. 1294, U. S. Dept. of Agriculture 
PLATE V 
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FIG. |.—THE VIRGIN FOREST 
The California pine forests have been reduced both in volume and in number of trees by suc- 
cessive light fires that have run through them for centuries. An old and open stand such 
as this can not compare in volume with fully stocked second-growth stands. However, 
reproduction is gradually taking possession of the openings, encouraged by fire protection in 
recent years 
F-94718 
Fic. 2.—THE RESULT OF A CROWN FIRE IN SECOND GROWTH 
Although crown fires are rare in old stands, in the California pine region, they often develop 
from light burns in second growth. When this occurs, the result, as in this case, is dis- 
astrous 
