Structure contour map of the Powder River Basin, Wyoming and Montana / by William G. Pierce and Roselle M. Girard, 1945.

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Bibliographic Details
Main Author:	Pierce, W. G. (William Gamewell), 1904-1994
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Girard, Roselle M., Zapp, Alfred D. (Alfred Dexter), 1916-1962
Other title:	Powder River Basin, Wyoming and Montana.
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : Interior--Geological Survey, 1952.
Edition:	Rev. /
Series:	Oil and gas investigations map ; OM 133.
Subjects:	Geology > Powder River Basin (Wyo. and Mont.) > Maps.

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