Showing 1 - 16 results of 16 for search 'Roen, John B.', query time: 0.21s Refine Results
  1. 1
    Stratigraphic framework of the Devonian black shales of the Appalachian basin /
    by Roen, John B.
    Published 1984
    Government Document Book
  2. 2
    Geologic map of the Oak Forest quadrangle and part of the Blacksville quadrangle, southwestern Pennsylvania /
    by Roen, John B.
    Published 1972
    Government Document Map
  3. 3
    Geologic map of the Monongahela quadrangle, southwestern Pennsylvania /
    by Roen, John B.
    Published 1968
    Government Document Map
  4. 4
    Geologic map of the Midway quadrangle, Washington County, Southwestern Pennsylvania /
    by Roen, John B.
    Published 1973
    Government Document Map
  5. 5
    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
  6. 6
    Contour map of the base of saprolite, Howard County, Maryland /
    by Roen, John B.
    Published 1976
    Government Document Map
  7. 7
    Thickness of overburden map, Howard County, Maryland /
    by Roen, John B.
    Published 1978
    Government Document Map
  8. 8
    Preliminary geologic map of the Midway quadrangle, Washington County, southwestern Pennsylvania /
    by Roen, John B.
    Published 1971
    Government Document Map
  9. 9
    Geologic map of the Waynesburg quadrangle, Southwestern Pennsylvania /
    by Roen, John B.
    Published 1970
    Government Document Map
  10. 10
    Near-surface helium anomalies associated with faults and gas accumulations in western Pennsylvania /
    by Roberts, Alan A.
    Published 1985
    Other Authors: “...Roen, John B....”
    Government Document Microform Book
  11. 11
    Geologic map of the Pennington Gap quadrangle, Lee County, Virginia, and Harlan County, Kentucky /
    Other Authors: “...Roen, John B....”
    Government Document Map
  12. 12
    Geology and land use in eastern Washington County, Pennsylvania /
    Other Authors: “...Roen, John B....”
    Book
  13. 13
    Petroleum geology of the Devonian and Mississippian black shale of eastern North America /
    Published 1993
    Other Authors: “...Roen, John B....”
    Government Document Book
  14. 14
    Petroleum geology of the Devonian and Mississippian black shale of eastern North America /
    Published 1993
    Other Authors: “...Roen, John B....”
    Get full text
    Government Document eBook
  15. 15
    Geology of the Middlesboro North quadrangle, Kentucky /
    Published 1964
    Other Authors: “...Roen, John B....”
    Government Document Map
  16. 16
    Geologic map of the Keokee quadrangle, Virginia-Kentucky /
    Published 1971
    Other Authors: “...Roen, John B....”
    Government Document Map
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