Search Results - Roen, John B.

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  1. 1
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    Thickness of overburden map, Howard County, Maryland / by Roen, John B.

    Published 1978
    Government Document Map

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  2. 2
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    Contour map of the base of saprolite, Howard County, Maryland by Roen, John B.

    Published 1976
    Government Document Map

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  3. 3
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    Structure contour map of the base of the Pittsburgh coal bed, southwestern Pennsylvania and Northern West Virginia / by Roen, John B.

    Published 1980
    Government Document Map

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  4. 4
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    Preliminary geologic map of the Midway quadrangle, Washington County, southwestern Pennsylvania / by Roen, John B.

    Published 1971
    Government Document Map

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  5. 5
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    Geologic map of the Waynesburg quadrangle, Southwestern Pennsylvania / by Roen, John B.

    Published 1970
    Government Document Map

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  6. 6
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    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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  7. 7
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    Stratigraphic framework of the Devonian black shales of the Appalachian basin by Roen, John B.

    Published 1984
    Government Document Microfilm Book

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  8. 8
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    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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  9. 9
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    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
    Government Document Map

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  10. 10
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    Geologic map of the Monongahela quadrangle, southwestern Pennsylvania / by Roen, John B.

    Published 1968
    Government Document Map

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  11. 11
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    Geologic map of the Midway quadrangle, Washington County, Southwestern Pennsylvania / by Roen, John B.

    Published 1973
    Government Document Map

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  12. 12
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    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
    Government Document Map

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  13. 13
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    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
    Government Document Map

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  14. 14
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    Near-surface anomalies associated with faults and gas accumulations in western Pennsylvania by Roberts, Alan A.

    Published 1985
    Other Authors: “…Roen, John B.…”
    Government Document Microfilm Book

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  15. 15
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    Geologic map of the Pennington Gap quadrangle, Lee County, Virginia, and Harlan County, Kentucky / by Miller, Ralph L. (Ralph LeRoy), 1909-1991

    Published 1973
    Other Authors: “…Roen, John B.…”
    Government Document Map

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  16. 16
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    The atlas of major Appalachian gas plays /

    Published 1996
    Other Authors: “…Roen, John B.…”
    Book

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  17. 17
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    Petroleum geology of the Devonian and Mississippian black shale of eastern North America /

    Published 1993
    Other Authors: “…Roen, John B.…”
    Government Document Book

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  18. 18
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    Petroleum geology of the Devonian and Mississippian black shale of eastern North America /

    Published 1993
    Other Authors: “…Roen, John B.…”
    Online Access
    Online Access
    Government Document eBook

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  19. 19
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    Preliminary stratigraphic cross section showing radioactive zones in the Devonian black shales in the western part of the Appalachian Basin / by Wallace, Laure G.

    Published 1977
    Other Authors: “…Roen, John B.…”
    Government Document Map

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  20. 20
    Cover Image

    Preliminary stratigraphic cross section showing radioactive zones in the Devonian black shales in southeastern Ohio and west-central West Virginia by Laure G. Wallace, John B. Roen... by Wallace, Laure G.

    Published 1978
    Other Authors: “…Roen, John B.…”
    Government Document Electronic

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