724 
Journal of Agricultural Research 
Vol. XXX, No. 8 
• Yellow pine-Sugar pine(345fires) 
X Lodge pole (same curve as YP-SP) (36 fires) 
* Red and White Firs (77 fires) 
t Alpine (41 fires) 
© 6raes-Sage-Juniper (30 fires) 
H Brush (16fires) (Not enough for curve) 
Fig. 25—Southern Oregon and northeastern Cali¬ 
fornia (Region 7): Relation between size of fire 
and cost of suppression 
