THE MISSOURI AND PLATTE RIVERS, ETC. 
some of them sandy. 
s are about two hundred 
? 
e clayey beds 
this section some of the streams hay 
The precipitous ridges of*the Mauvai 
ises Terre 
a 
BL pug oy) uy Asano, 
foot hich, and are very str 
(See sketch.) Black 
. 
in appearance. 
to be found here. 
iking 
. 
eer and big horn are 
