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  1. 1
    Preliminary structure contour map on top of salt in the Paradox member of the Hermosa Formation in the Salt Anticline region, Colorado and Utah /
    by Elston, Donald Parker, 1926-
    Published 1961

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  2. 2
    Permian and Pennsylvanian rocks of southeastern Colorado and adjacent areas /

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  3. 3
    Correlation of the Charleston Sandstone of the proposed Pennsylvanian stratotype with strata in eastern Kentucky, western West Virginia, and southern Ohio /
    Published 1989

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    Government Document Map
  4. 4
    Geologic map and stratigraphic sections of Permian and Pennsylvanian rocks of parts of San Miguel, Santa Fe, Sandoval, Bernalillo, Torrance, and Valencia Counties, north central New Mexico /
    by Read, C. B
    Published 1944

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  5. 5
    Permian and Pennsylvanian rocks of southeastern Colorado and adjacent areas /

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  6. 6
    The lower Pennsylvanian unconformity in the central Appalachian Basin /
    Published 1999

    Government Document Map
  7. 7
    Map showing contours on the top of the Pennsylvanian and Permian Minnelusa Formation and equivalents, Powder River Basin, Wyoming and Montana /
    Published 1990

    Government Document Map
  8. 8
    Paleotectonic investigations of the Pennsylvanian System in the United States

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
  9. 9
    Geologic map and stratigraphic sections of Permian and Pennsylvanian rocks of parts of San Miguel, Santa Fe, Sandoval, Bernalillo, Torrance, and Valencia Counties, north central New Mexico /
    by Read, C. B
    Published 1944

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  10. 10
    Correlation of the Charleston Sandstone of the proposed Pennsylvanian stratotype with strata in eastern Kentucky, western West Virginia, and southern Ohio /
    Published 1989

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  11. 11
    Generalized fence diagram showing principal coal and key marine beds of Pennsylvanian age in the Hazard 30ʹ x 60ʹ quadrangle, eastern Kentucky /
    Published 1986

    Government Document Map
  12. 12
    The lower Pennsylvanian unconformity in the central Appalachian Basin
    Published 1999

    Government Document Map
  13. 13
    Chart showing lithology, mineralogy, and paleontology of the Pennsylvanian Hermosa Group at Hermosa Mountain, La Plata County, Colorado /
    Published 1995

    Government Document Map
  14. 14
    Stratigraphic sections, depositional environments, and metal content of the upper part of the Middle Pennsylvanian Minturn Formation, Northern Sangre De Cristo Range, Custer and Saguache Counties, Colorado /
    Published 1985

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  15. 15
    Structure-contour maps of the Powder River basin, Montana and Wyoming /
    Published 1996

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  16. 16
    Stratigraphic sections, depositional environments, and metal content of the upper part of the Middle Pennsylvanian Minturn Formation, northern Sangre De Cristo Range, Custer and Saguache Counties, Colorado /
    Published 1985

    Government Document Map
  17. 17
    Correlation of the Charleston Sandstone of the proposed Pennsylvanian stratotype with strata in eastern Kentucky, western West Virginia, and southern Ohio /
    Published 1989

    Government Document Map
  18. 18
    Isopach map of the interval from surface elevation to the top of the Pennsylvanian and Permian Minnelusa Formation and equivalents, Powder River Basin, Wyoming and Montana /
    Published 1990

    Government Document Map
  19. 19
    Map showing contours on the top of the Pennsylvanian and Permian Minnelusa Formation and equivalents, Powder River Basin, Wyoming and Montana /
    Published 1990

    Government Document Map
  20. 20
    Structure-contour maps of the Powder River basin, Montana and Wyoming /
    Published 1996

    Government Document Map
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