906 



GEOLOGY 



Fig. 596. Map of Lake Bonneville, showing also the ;n<-.-is of l;i<:ili ill:ick 

 areas), some of which are Quaternary, the lines of n-ccut faulting (fuH 

 black lines), and (he deformation of the basin (broken liii'-si. The num- 

 bers on the broken lines show the height of the Bonneville shore line 

 above the level of the present Great Salt Lake. (Gilbert I 

 Surv.) 



