PLJKTE XKXI. 



Pyr€tnii(7 jgiifte, Xtorver Valley eif fhe Snake. (lccu 



u. 'Volcanic. h» jrttra^'M'ri as» 





^kMrt>.^ fel^s^^-fe?^ ^^^l^^m: 



The X'ttrroM'S, J^otver Yfi//et/ of I he Stm/ic. (l-onking I^Hnt.) 

 tM'.ycJcanic paljiucies. b. tarbnnit. limestotics. Snake Ri'v'cr MtS. 



