Map showing distribution, composition, and age of early and middle Cenozoic volcanic centers in Idaho, Montana, west-central South Dakota, and Wyoming.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Luedke, Robert G.
Format:	Government Document Map
Language:	English
Published:	Reston, VA : The Survey ; 1994.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; I-2291-C.
Subjects:	Geology, Stratigraphic > Cenozoic > Maps. Volcanism > West (U.S.) > Maps.

Evans: Maps File (2nd floor)