Showing 1 - 10 results of 64 for search 'Roen, John B', query time: 0.40s Refine Results
  1. 1
    Geologic map of the Oak Forest quadrangle and part of the Blacksville quadrangle, southwestern Pennsylvania /
    by Roen, John B, Roen, John B
    Published 1972

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  2. 2
    Structure contour map of the base of the Pittsburgh coal bed, southwestern Pennsylvania and Northern West Virginia /
    by Roen, John B, Roen, John B
    Published 1980

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  3. 3
    Preliminary stratigraphic cross section showing radioactive zones in the Devonian black shales in eastern Ohio and west-central Pennsylvania /
    by Roen, John B, Roen, John B
    Published 1978

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  4. 4
    Preliminary stratigraphic cross section showing radioactive zones in the Devonian black shales in the central part of the Appalachian Basin /
    by Roen, John B
    Published 1978

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  5. 5
    Preliminary stratigraphic cross section showing radioactive zones in the Devonian black shales in eastern Ohio and west-central Pennsylvania /
    by Roen, John B
    Published 1978

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  6. 6
    Geologic map of the Monongahela quadrangle, Southwestern Pennsylvania /
    by Roen, John B
    Published 1968

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  7. 7
    Preliminary stratigraphic cross sections showing radioactive zones in the Devonian black shales in the central part of the Appalachian Basin /
    by Roen, John B
    Published 1978

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  8. 8
    Preliminary map showing the distribution and thickness of sandstone in the lower member of the Pittsburgh formation, southwestern Pennsylvania and northern West Virginia /
    by Roen, John B
    Published 1973

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  9. 9
    Geologic map of the Oak Forest quadrangle and part of the Blacksville quadrangle, southwestern Pennsylvania /
    by Roen, John B
    Published 1972

    Government Document Map
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  10. 10
    Preliminary map showing the distribution and thickness of sandstone in the lower member of the Pittsburgh formation, southwestern Pennsylvania and northern West Virginia /
    by Roen, John B
    Published 1973

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Map
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