Geologic map showing thickness of sedimentary rocks from ground surface to the top of the upper Cretaceous Pierre Shale in the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Denson, N. M. (Norman MacLaren), 1914-, Pierson, Charles Thomas, 1918-, Gundy, W. D.
Format:	Government Document Map
Language:	English
Published:	Reston, VA : The Survey ; 1994.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; I-2433-A.
Subjects:	Geology > Powder River Basin (Wyo. and Mont.) > Maps. Geology, Stratigraphic > Cretaceous. Geology, Structural > Powder River Basin (Wyo. and Mont.) > Maps. Powder River Basin (Wyo. and Mont.) > Maps.

Evans: Maps File (2nd floor)