Geophysical log signatures of lower Tertiary and upper Cretaceous rocks in the Powder River Basin, Wyoming and Montana /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Seeland, David A.
Format:	Government Document Map
Language:	English
Published:	[Reston, Va.] : U.S. Geological Survey, 1993.
Series:	Oil and gas investigations chart ; OC-140
Subjects:	Geophysical well logging > Powder River Basin (Wyo. and Mont.) > Drawings. Geology, Stratigraphic > Tertiary > Drawings. Geology, Stratigraphic > Cretaceous > Drawings. Powder River Basin (Wyo. and Mont.) > Drawings. Cretaceous Geologic Period. Geology, Stratigraphic. Geophysical well logging. Tertiary Geologic Period. United States > Powder River Basin. From 2 to 140 million years ago Drawings.
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Evans: Maps File (2nd floor)