Preliminary geologic map of the Gray Head quadrangle, San Miguel County, Colorado /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), U.S. Atomic Energy Commission
Other Authors:	Bush, Alfred Lerner, 1919-
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : The Survey, 1961.
Series:	Miscellaneous field studies ; map MF-176.
Subjects:	Geology > Colorado > San Miguel County > Maps.

Evans: Maps File (2nd floor)