
Some Geological Factors Affecting the Upper Freeport Coal and its Quality
Preliminary reports on the geology of Pennsylvania
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Work Title | Some Geological Factors Affecting the Upper Freeport Coal and its Quality |
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Subtitle | PAGS Progress Report no.159 |
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License | CC BY-NC-ND 4.0 (Attribution-NonCommercial-NoDerivatives) |
Work Type | Book |
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Publication Date | 1961 |
Deposited | September 17, 2014 |