Ch. 23] 



PRACTICAL ASPECTS 



415 



Fig. 2(a). Headcut on a tributary of 



Rio Puerco, near Cabezon, New Mexico. 



Height 40 feet. 



Fig. 2(b). Headcut of Willow Creek 



gully, tributary of Milk River near 



Glasgow, Montana. Height 25 feet. 



Hay meadow directly above. 



r^Wg&j 



Fig. 2(c). Recently gullied channel in 



Centennial Wash near Salome, Arizona. 



Height about 12 feet. 



