Cost of Suppression - Dof/ars 
Apr. 15, 1925 
723 
Use of Liability Ratings in Forest Fire Protection 
LEGEND Area Per Fire-Acres 
• Yellow Pine-Sugar Pine (471 fires) 
e> Douglas Fir(28ifires) Fig. 24.—Southwestern Oregon and northwestern 
* Red and White firs (91 fires) California (Region 6): Relation between size of 
X Brush-Digger Pine-Oak.(338 fires) fire and cost of suppression 
t Grass (ll fires) 
