Palynology of selected coal beds in the proposed Pennsylvanian System stratotype in West Virginia a description of palynomorph assemblages, range zones and coal correlations of selected coals from the proposed Pennsylvanian System stratotype of West Virginia and adjacent States
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Format: | UnknownFormat |
Sprache: | eng |
Veröffentlicht: |
Washington
US Gov. Print. Off.
1984
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Schriftenreihe: | Geological Survey <United States>: Geological Survey professional paper
1318 |
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