U. S. GEOLOGICAL SURVEY 



BULLETIN 612 PLATE Xlll 



A. GAP IN THE CAMBRIAN QUARTZITE THROUGH WHICH THE WESTBOUND TOURIST PASSES 



AFTER LEAVING RAWLINS, WYO. 



. Sagebrush In the foreground. 



-fc. 



1. , 



■- 4 



T^^W^ »^-^ '-KKt^lSft^jHt. 



*T*^ 



^H.'. 



.-'h- 



1 



B. CHARACTERISTIC VIEW OF THE RED DESERT. 



''''hard9'r"berirwhf.h"J°'^'*'^ beds and covered with sand and sagebrush. The distant buttes are capped with 



pllin Phoir^r^nh f r^P'r^M'^. ^^'^r, '^:? ^"<^ wind from wearing them down to the general level of the 

 piain. rnotograph furnished by Union PaciRc Railioad Co. 



