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



Plate VIII. 



Fig. 1.— View in the Northern Part of New Mexico, Showing the Beginning 

 of an Arroyo on an Overstocked Range. 



Fig. 2.— View in New Mexico, Showing the Result of a Summer Shower 

 Which Lasted but a Short Time and Illustrating most Characteristically 

 the Importance of the Run-Off. 



