TT. S. G-eolotyicaZ- Survey \ 



I*lcch> XM TTU. 



T6ton Mountains : From upland nortH of Pierre's Basin near Station JLSJU.V on Canon Creek, 

 %.Arcna?an . b. Palaeozoic, 2V.W. flank of range. c Vpruisvd Palceozoic vicinity of W.Ttton CreeK Canon. d. Bear Cr. Cation, 

 u Great Forel an d soatb of West Te~ton Cr. Cation, Carboniferous red beds — sands tone, etc. f. Volcanic and X/acastrine<?> dejposits. 



e. Volcanic. 



