Isopach map of the interval from surface elevation to the top of the Pennsylvanian and Permian Minnelusa Formation and equivalents, Powder River Basin, Wyoming and Montana /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Crysdale, Bonnie L.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey ; 1990.
Series:	Miscellaneous field studies ; map MF-2140-A.
Subjects:	Geology > Powder River Watershed (Wyo. and Mont.) > Maps. Minnelusa Formation > Maps. Geology, Stratigraphic > Pennsylvanian > Maps. Geology, Stratigraphic > Permian > Maps.

Evans: Maps File (2nd floor)