i 
: 
i 
Ba 
3 
ees | 
Marcou’s Geological Map of the United States. 385 
. this range: indicated on the map, as granitic and carboniferous, 
while on another map published in Gotha, it is represented as com- 
by Lieut. G. K. Warren, U.S. A., shows that this range is purely 
Paty and should not appear on the maps north of the 
_the Wind River range, which according to Col. Fremont and 
his collection, is granitic and rama. att trending north-west- 
erly, is not represented on the map. remont’s por however, 
highest peak of the range, and described by Fremont as 
composed of granite, gneiss, syenite, and syenitic gneiss, 1s rep- 
Tesented as a volcano. The Raton Mountains are also colored as 
these, howeve 
with the representation of the geological age 
* Proceedings of the American Association for the Advancement of Science, 
3.0 ~ the descriptions of the collections by Prof. James Hall, and report of Co 
“gp emont, p. 295. : 
Repc Z Examination of New Mexico, by Lieut. J. W. Abert, U.S. 
“4c 8 
, 
t eport of an 
°p. Engineers, 184 
SECOND SERIES, VOL, XXII, NO. 66.—NOV., 1856. 
49 
