26 



FORESTRY ALMANAC 



R. H. Weidman, Sylviculturist, Priest River Forest Experiment Sta- 

 tion, Missoula, Montana. 



R. D. Forbes, Director, Southern Forest Experiment Station, New 

 Orleans, Louisiana. 



Julius V. Hoffman, Sylviculturist, Wind River Forest Experiment 

 Station, Stabler, Washington. 



Walter M. Weld, Observer, Wagon Wheel Gap Station, Wagon 

 Wheel Gap, Colorado. (In cooperation with Weather Bureau.) 



Carlile P. Winslow, Director, Forest Products Laboratory, Madison, 

 Wisconsin. 



Causes of Forest Fires in the United States, 1 1921, Contrasted with Six-year Average, 



1916-1921. 



Continental area, excluding Alaska. 



