20 



A NATIONAL PLAN FOR AMERICAN FORESTRY 



The physical character of the land, which may be so lacking in 

 fertility, rough in topography, or stony, that agriculture is unprofit- 



NATIONAL FORESTS 



T 



STATE FORESTS 



PRIVATE FOREST LANDS 



FIRE PROTECTION 



OTHER PROTECTION 



IMPROVEMENT 



mmrnxm 



RESEARCH 



ACQUISITION 



PLANTING 



EDUCATION 



EXTENSION 



PUBLIC AID 



10 

 MILLION DOLLARS 



15 



20 



FIGURE 12. Comparison of activity expenditures in forestry for 1932. The diagram throws additional 

 light on the comparative efforts of different types of forest-land ownership. Even public aid to private 

 owners is approximately three times the expenditures of private ownership on its own land. 



able, is one cause. In many cases the original fertility has been 

 depleted by erosion or repeated cropping. 



Another group of causes are economic. Improved transportation 

 has opened land west of the Alleghenies, first for cereal crops, cattle, 



