6 C. C. Parry: Physiographical Sketch 
overlooking wastes snow ape — lakes girdled with mid- 
summer ice, I natura so me of the more prominent 
istant and caine friends. To two twin 
scener Lae to view from the elevated points and command- 
ing crests of this broad mountain range. While to the east the 
every other direction rise elevated peaks and snow-girt ridges, 
hemming in deeply sheltered valleys. An obscure parallelism 
of the principal ridges is here for the first time noticeable, more 
evidently marked however by the occurrence of oe gear 
points furming broken lines extending northwest and south- 
east than by any continuity of the phil rides es. The lol | 
shed itself is a very irregular line, difficult to trace — = eye 
even from the most elevated points. This is owing to 
marked peculiarity of the range which exhibits the Sie 8 
minating points disposed quite constantly on the eastern slope of 
the divide, with which they are generally connected by depressed 
spurs. It is from these offsetti aks, that the most compre- 
hensive views are obtained, and the general shinsep tia of the 
range can be best studied. 
to an east and west course. In such situations the streams 
flowing thence north and south, respeokivels have their sources 
a most pees portions of the range, usually only a short 
nce 
In note position, near the head waters of South Clear Creek 
is found the depression known as Berthoud’s Pass, discovered by 
an Engineer of that name, while engaged in making a reconnoi- 
sance, for the location of a ‘di irect road from Denver to Salt Lake. 
this pass the elevation at the highest point does not reach 
above the limits of arborescent growth, the dividing waters on 
either side heading but a few feet apart, in a pine grove. 
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