PLATE III 



•A. THE DIVIDE AT THE HEAD OF SOUTH FORK AND THE GEOLOGIC EXPOSURES OF 

 THE SOUTH END OF THE EEADE AND BENSON RIDGE 



Showing the overthrust members above the Superior fault 



B. NEAR VIEVr OF THE UPPER CENTRAL PART OF FIG. A 



Showing, from left to right, the Cambrian shale, Cambrian quartzite, Algonkian 



"conglomerate" and quartzite 



