Bui. 67, Bureau of Plant Industry, U. S, Dept. of Agriculture. 



Plate V. 



Fig. 1.— Hay Meadow, Salt River Valley. First Crop of Alfalfa with Winter 

 Barley, which Greatly Increases the Yield. Phoenix. April, 1903. 



FiQ. 2.— Erosion Along Pantano Wash, East of Santa PvIta Mountains, 



October, 1902. 



