SMITHSONIAN EXPLORATIONS, I929 



41 



Fig. 31.— The floor of Death Valley, showing the rough .salt beds. (Photo- 

 graph hy Gonyer.) 



Fig. 32.— Furnace Creek and the Funeral Range, Death Valley. The hills 

 in the foreground are shales and carry borate minerals. The mountains are 

 limestone. (Photograph by Grinnell.) 



