Hoback Canon. Gros Ventre Mts. 
Ejimay) 
xan : SS 
: West slope of the Hoback Canon Ridge. from Station lV. 
a. Archean. b. Carboniferous. c. Jura-Trias. da. Lararnece . e Tertiary. 
Teton Fass. Jackson's Basir,MtHayden. Sta MMV, 
Mir 
a 
Hast slope of the "Dea Day Ridge, trom Statior IV. 
a. Archean. b. Carboniterous. F c. Sura ET ee GF d.Lararmic. e. Tertrary. 
Plate V. 
