﻿NO. 10 



SMITHSONIAN EXPLORATIONS, I923 



21 



1 i<,. 20. — T\pical desert view along Overland Trail in Steptoe Valley, 

 Nevada, showing flood water after a storm. (Photograph by Resser.) 



Fig. 27. — Early morning picture of the Smithsonian camp in Blacksmith 

 Fork Canyon, known for the excellent section studied here by Dr. Walcott. 

 (Photograph by Resser.) 



