sanitoriums located near or in forests because the air 

 is purer for trees inhale carbon dioxide and exhale 

 oxygen. It is also good for people in the slums who 

 never get a breath of fresh air. For if a forest is 

 located near the city they can at least go once or 

 twite a week there which will do them much good. It 

 also increases the value of the land and helps pay the 

 taxes. 



In the cities sometimes if they are far away from 

 some lake or large river, the city builds large reser- 

 voirs in which the people get their supply of water. 

 If trees are planted around there the trees will purify 

 the water and keep it from drying up. Also if trees 

 are near it makes it rain more often as trees draw 

 moisture. 



Trees have a great deal to do with appearance of 

 land. For lawns they provide shade and beauty. For 

 parks they give shade and comfort as well as pleas- 

 ure and make them more healthful. They are also 

 used by railroad companys because each year ugly 

 snow fences have to be put up and taken down which 

 requires extra help and is an expense to the railroad 

 company. 



In planting trees employment is given to lots of 

 idle able-bodied men for when you plant trees it is 

 necessary to look after them until they have reached 

 the height when they will grow by themselves. In 

 cutting the trees employment is given, also in floating 

 the logs to the mill and making them into lumber 

 and other materials. 



When a farmer clears his land he should leave at 

 least ten acres to which he should plant trees and have 



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