California and Trinity National Forest^. The treatment 

 consisted of felling the trees and "burning the bark which 

 contains the insects. The work was discontinued about 

 May 1 "because the warm weather caused the insects to 

 emerge from the trees, and also "because the conditions for 

 "burning the bark became dangerous. 



During the month of May, 1914, the National 

 Forests in California produced an income of $27,119.47 

 derived from the sale of timber, grazing privileges and 

 special uses. 



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