SHREVE 



Plate 3 





A. Typical Low Bajada, with pure stand of Covillea tridentata and summer carpet of Bouteloua aristidoides. 



B. Looking southwest from Upper Bajada near mouth of Soldier Canon. In the arroyo in foreground are 

 Carnegiea gigantea, Parkinsonia microphylla, Acacia greggii, and Fouquicria yplendens. Distant 

 hills are relict toes of ancient bajadas. 



