Area Burned - Acres 
Apr. 15, 1925 
Use of Liability Ratings in Forest Fire Protection 
711 
0 I 2.34-56783 10 
LEGEND 
• Yellow pine (£0fires) 
H Grass and Sage (44 fires) 
X Brush-Pinon-Juniper- 
Aspen (15 fires) 
12 14 16 18 20 22 24 26 28 30 3 2 34 36 3 8 40 
Hours Elapsed 
Fig. 12 —Nevada and Southeastern California (Region 15): Re¬ 
lation of size of fire to time elapsed between discovery and 
attack 
