Ch. 23] 



LAND MISUSE 



423 



Fig. 5(a). One edge of a filled channel 



exposed in the bank of Chinle Wash 



gully near Chinle, Arizona. 



Fig. 5(b). Outline of filled channel ex- 

 posed in walls of San Simon gully, Ari- 

 zona. 



Fig. 5(c). Gradual filling in unnamed 



gully north of Shiprock, New Mexico. 



Looking downstream. Depth of fill at 



lower end more than 6 feet. 



