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Bui. 1499. U. S. Dept. of Agriculture 
Plate 3 
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F-1 80529 — 78360 
The Effects of Fire Vary in Different Forest Types 
A.— On a typical fire-swept area in the Engelmann spruce type no seed trees survived and repro- 
duction is entirely lacking even after 50 years. Instead, a grass and weed cover make conditions un- 
favorable for restocking. 
B— On the contrary, plentiful reproduction nearly always follows the burning over of lodgepole 
pine forests. The burn shown was as severe as that in (A), but restocking was complete — in fact, 
too dense for growth to be satisfactory. 
