Origin and microfossils of the oil shale of the Green River formation of Colorado and Utah / by Wilmot H. Bradley.

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Main Author: Bradley, Wilmot H. (Wilmot Hyde), 1899-1979
Corporate Author: Geological Survey (U.S.)
Format: Government Document Book
Language:English
Published: Washington : U.S. Govt. Print. Off, 1931.
Series:Professional paper (Geological Survey (U.S.)) ; no. 168.
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