38 MISC. PUBLICATION 290, U. S. DEPARTMENT OF AGRICULTURE 



timber sales, grazing, protection, and use of resources on their districts. 

 They direct building of roads, trails, bridges, telephone lines, and 

 other improvements on the forests. Physical soundness and endur- 

 ance are essential on account of the heavy labor and exposure involved 

 in such work as building improvements and fighting fire. The forest 

 ranger must know how to pack supplies and find food for himself and 



