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Palynological studies of Middle Pennsylvanian coal beds of the proposed Pennsylvania System stratotype in West Virginia / by Robert M. Kosanke (U.S. Geological Survey professional paper ; 1455)

Palynological studies of Middle Pennsylvanian coal beds of the proposed Pennsylvania System stratotype in West Virginia / by Robert M. Kosanke (U.S. Geological Survey professional paper ; 1455)
Microform図書
1988<YCA-I 19.16:1455>
National Diet Library
  • Subject HeadingPalynology -- West Virginia Paleobotany -- Pennsylvanian Coal -- Geology -- West Virginia

Palynology of selected coal beds in the proposed Pennsylvanian System stratotype in West Virginia / by Robert M. Kosanke (U.S. Geological Survey professional paper ; 1318)

Palynology of selected coal beds in the proposed Pennsylvanian System stratotype in West Virginia / by Robert M. Kosanke (U.S. Geological Survey professional paper ; 1318)
Microform図書
1984<YCA-I 19.16:1318>
National Diet Library
  • Subject HeadingPalynology -- West Virginia Paleobotany -- Pennsylvanian Coal -- Geology -- West Virginia

Palynological studies of Lower Pennsylvanian coal beds and adjacent strata of the proposed Pennsylvanian system stratotype in Virginia and West Virginia / by Robert M. Kosanke (U.S. Geological Survey professional paper ; 1479)

Palynological studies of Lower Pennsylvanian coal beds and adjacent strata of the proposed Pennsylvanian system stratotype in Virginia and West Virginia / by Robert M. Kosanke (U.S. Geological Survey professional paper ; 1479)
Microform図書
1988<YCA-I 19.16:1479>
National Diet Library
  • Subject Heading...gy -- Virginia Coal -- Geology -- West Virginia

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