Bui. 211, U. S. Dept. of Agriculture. 



Plate 



Fig. 1.— An Area in New Mexico Having a Typical Compact Growth of Blue 

 Grama, Common on the Northern Plains. 



Fig. 2.— A Small Valley in the Northern Part of New Mexico, Showing Irri- 

 gated Lands Producing Alfalfa. 



The growth shown in the foreground is typical of the unirrigated land of the region when 

 the range is protected. 



