Geologic map of the Portal quadrangle and vicinity, Cochise County, southeast Arizona.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Drewes, Harald, 1927-2015, Pallister, John S., Du Bray, E. A.
Format:	Government Document Map
Language:	English
Published:	Reston, VA : The Survey ; 1995.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; I-2450.
Subjects:	Geology > Arizona > Cochise County > Maps.

Evans: Maps File (2nd floor)