550 



INDEX 



Working plans, applicable to the United 

 States, 219 



difference between State and com- 

 munal forest, 243, 244 



Government regulation, 206 



mensuration in, 206 



Schaeffer's simple rule, 244, 245 



theoretical need of, 219 



Yield, aUotting the, 254 

 by volume, 63 

 determination of, 253 

 relative, of timber and fuel, 93 

 regulation, Gurnaud method of, 241 



Yields by windfall, 80 



Zones, mountains, 31 



