Geologic map of the Black Ridge quadrangle, Delta and Montrose Counties, Colorado /

Bibliographic Details
Main Author:	Hansen, Wallace R., 1920-
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : The Survey, 1968.
Series:	Geologic quadrangle map ; GQ-747.
Subjects:	Geology > Colorado > Delta County > Maps. Geology > Colorado > Montrose County > Maps.

Evans: Maps File (2nd floor)