B.S. 22200* Arid gravel 

 hills. General Roca, Rio 

 Negro 5 Argentina* 



December 2, 1920* 



r 



B*S* 22201. A typical town of 

 northern Patagonia. General Roc a 

 Rio Negro, Argentina. 



December 2, 1920. 



1431. Exposed end of log of 

 petrified wood projecting from 

 hillside. Near General Roca, 

 Rio Negro, Argentina. 

 ' Deceiaber 2, 1920. 



