PLATE IV 



A. ALTA OVEETHRUST AND GEOLOGIC EXPOSURES ON THE NORTH SLOPE OF LITTLE 



COTTONWOOD CANYON 



Showing the duplication of beds. Looking north 



I! NEAR VIEW OF THE EAST-SLOPING ALGONKIAN QUARTZITE SHOWN ON THE RIDGE 



OF FIG. A 



Showing the crumpled layers of hard quartzite 



