B.S. 22021. Work quarters at 
Hacienda Linda Vista. Riacho 
Pilaga, Formosa, Argentina. 
August 14, 1920. 
B.S. 22022. Alkaline flats 
bordering stream icnown as Riacho 
Pilaga. In summer this stream runs 
full. Riacho '’ilaga, Formosa, 
Argentina. 
August 14, 1920. 
B.S. 22023. The Riacho 
Pilaga at low water stage. 
Riacho Pilaga, Formosa, Argentina 
August 14, 1920. 
