136 DEPARTMENTAL REPORTS. 



those in Oklahoma, Colorado, Arizona, and southern California, to 

 determine the advisability of sj^stematic planting. 



Careful studies will be made in Oklahoma and Arizona during the 

 year to find methods of extending the present forest stand bj^ improv- 

 ing the conditions for natural reproduction. In both regions field 

 parties are alread^^ at work. 



The reclamation of sand dunes, both along the coast and in the inte- 

 rior, is one of the large problems before this Bureau. Two field par- 

 ties, one on the Atlantic coast and one on the Columbia River, will 

 continue to investigate this problem during the present season. 



