Hoback Canon Ridge. 
Sta. XII. Gros Ventre Mountains. 
Plate II. 
Cation north of Hoback River. Sonshwest flank of the Gros Ventre Range. 
b Quartzite. 
@ Archwan. 
Divide between Hoback Cafion Ridge and Gros Ventre Mts. 
c Quebec limestone. d Carboniferous. ¢ Jura-Trias. Jf Vertiary, red conglomerate. 
g Morainal deposits. 
