278 



DEPARTMENT OF THE INTERIOR 



2 GEORGE V, A. 1912 



Horizontal and Vertical Scales. 



* Miles 



Figure 17.— East-west section on ridge north of Lost Creek, Nelson Range ; showing 

 duplication of beds by thrust, the plane of which has been rotated. 



Figure 18.— Diagram showing stage of development of the thrust 

 illustrated in Figure 17. 



