548 



D. F. HEWETT 



Middle Peak may be readily ascended from the south along a 

 gravel-covered terrace of gentle gradient. The summit is smooth 

 and the adjacent slopes, except on the north and west, are covered 

 with grass and dwarfed sage-brush. If viewed from the west, the 

 summit appears to be a part of the terrace which extends south- 

 ward, but if .critically viewed from the south it appears to be a 

 smooth hill that projects about 200 feet above the extension of 



Fig. 3.^The McCuUock Peak region viewed from the southwest, near Cody, 

 Wyoming. West Peak lies on the left; East Peak rises above the terrace on the 

 right; Middle Peak is the low cone just left of East Peak. 



the terrace. In other words, it appears to be the residual mass of 

 a more imposing hill that was in existence while the plain of which 

 the terrace is a remnant was being formed. Good rock outcrops 

 are confined to the west, north, and northeast slopes of Middle 

 Peak, where nearly horizontal sandstones, locally arkosic, alternate 

 with pale olive and red clays. The material is similar to that 

 which makes up the bulk of the Bighorn Basin Wasatch. The 



