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Origin of thick Lower Tertiary coal beds in the Powder River Basin, Wyoming and Montana--some paleogeographic constraints1 edition - first published in 1993
Eocene fluvial drainage patterns and their implications for uranium and hydrocarbon exploration in the Wind River Basin, Wyoming1 edition - first published in 1978
A geochemical reconnaissance for gold in the sedimentary rocks of the Great Lakes region, Minnesota to New York1 edition - first published in 1973
- 1 edition
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