98 THE SCHOOL BOOK OF FORESTRY 



vents many states from embarking more exten- 

 sively in this work. Many states set aside only a 

 few thousand a year ; others, that are more pro- 

 gressive and realize the need of forestry exten- 

 sion, spend annually from one hundred thousand 

 to five hundred thousand dollars. Foresters are, 

 generally, agreed that as much as 25 per cent, of 

 the forest land of every state should be publicly 

 owned for producing large sized timber, requir- 

 ing seventy-five to one hundred years to grow, 

 and which the private owner would not be inter- 

 ested in producing. National, state, or commu- 

 nal forests must supply it. All of these combined 

 comprise a very small part of the forests of most 

 of the states, so that much larger areas must be ac- 

 quired by the states and the national government 

 to safeguard our future timber supplies. 



Not less than thirty-two states are actually 

 engaged in state forestry work. Many of them 

 have well-organized forestry departments, which, 

 in states like New York and Pennsylvania, hav- 

 ing large areas of state forests, are devoted 

 largely to the care and protection of these lands. 

 In other states having no state forests, the work 

 is largely educational in character. 



The most notable progress in forestry has 



