_•_> 



SMITHSONIAN INSTITUTION 



Fig. 17. — Museum at Yavapai Point, Grand Canyon National Park. Inter- 

 esting geologic exhibits have recently been installed both within the build- 

 ing and on the porch. (Photograph by Resser.) 



^ Fig. 18. — View from the Tonto Platform up the Bright Angel Trail. Indian 

 Gardens is situated under the big trees. The fault that makes this trail 

 possible is apparent in the offsetting of the beds near the top of the trail. 

 (Photograph by Resser.) 



