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



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

 They also 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 



