Geologic map of the Powderhorn quadrangle, Gunnison and Saguache Counties, Colorado /

Bibliographic Details
Main Author:	Hedlund, David Carl, 1924-
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Olson, J. C. (Jerry Chipman), 1917-2013
Format:	Government Document Map
Language:	English
Published:	Reston, Va : The Survey, 1975.
Series:	Geologic quadrangle map ; GQ-1178.
Subjects:	Geology > Colorado > Gunnison County > Maps. Geology > Colorado > Saguache County > Maps. Géologie > États-Unis > Colorado (États-Unis) > Cartes. États-Unis > Cartes.

Evans: Maps File (2nd floor)