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  1. 1
    Correlation of basal Permian and older rocks in southwestern Colorado, northwestern New Mexico, northeastern Arizona, and southeastern Utah /

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    Government Document Map
  2. 2
    Permian and Pennsylvanian rocks of southeastern Colorado and adjacent areas /

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    Government Document Map
  3. 3
    Stratigraphic sections of the Phosphoria Formation in Utah, 1947-48 /
    by Smith, L. E
    Published 1952

    Government Document Book
  4. 4
    Correlation of Permian and Pennsylvanian rocks from western Kansas to the Front Range of Colorado /

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    Government Document Map
  5. 5
    Paleomagnetic and p40sAr/p39sAr results from the Grant intrusive breccia and comparison to the Permian Downeys Bluff sill--evidence for Permian igneous activity at Hicks Dome, southern Illinois Basin /
    by Reynolds, Richard L
    Published 1997

    Government Document Book
  6. 6
    Paleomagnetic and ⁴⁰Ar/³⁹Ar results from the Grant intrusive breccia and comparison to the Permian Downeys Bluff sill--evidence for Permian igneous activity at Hicks Dome, southern Illinois Basin /
    by Reynolds, Richard L
    Published 1997

    Government Document Book
  7. 7
    Evidence for hot Mississippi Valley-type brines in the Reelfoot rift complex, south-central United States, in Late Pennsylvanian-Early Permian /
    Published 1997

    Government Document Book
  8. 8
    Whole-rock and clay mineralogies of deeply-buried rocks, Permian upper part of the Minnelusa Formation, Powder River Basin, Wyoming
    by Pollastro, Richard M
    Published 1990

    Government Document Book
  9. 9
    Whole-rock and clay mineralogies of deeply-buried rocks, Permian upper part of the Minnelusa Formation, Powder River Basin, Wyoming /
    by Pollastro, Richard M
    Published 1990

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
  10. 10
    Field trip guide to the southern east Humboldt Range and northern Currie Hills, northeast Nevada : age and style of attenuation faults in Permian and Triassic rocks /
    by Thorman, Charles H
    Published 1994

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Book
  11. 11
    Paleozoic-Mesozoic boundary in the Berry Creek quadrangle, northwestern Sierra Nevada, California /
    by Hietanen, Anna Martta, 1909-
    Published 1977

    Government Document Book
  12. 12
    Field trip guide to the southern east Humboldt Range and northern Currie Hills, northeast Nevada age and style of attenuation faults in Permian and Triassic rocks /
    by Thorman, Charles H
    Published 1994

    Government Document Book
  13. 13
    A provisional radiolaria biostratigraphy, late Devonian through late Permian
    by Holdsworth, Brian K
    Published 1980

    Government Document Book
  14. 14
    Lithology and stratigraphy of a drill core from the vicinity of the Hack Canyon mines, Mohave County, northern Arizona

    Government Document Book
  15. 15
    Field guide and road log Pennsylvanian and Permian depositional systems and cycles in the Eagle Basin, northwestern Colorado /
    by Schenk, Christopher J
    Published 1987

    Government Document Book
  16. 16
    Pennsylvanian and Permian stratigraphy of the northern Argus Range and Darwin Canyon area, California /
    by Stone, Paul, 1947-
    Published 1987

    Government Document Book
  17. 17
    Structure at the top of the Permian Minnelusa Formation, Powder River Basin, Wyoming and Montana
    Published 1987

    Government Document Map
  18. 18
    Thickness of rocks from the surface to the top of the Permian Minnelusa formation, Powder River basin, Wyoming and Montana
    Published 1987

    Government Document Map
  19. 19
    Revisions of Middle Jurassic nomenclature in the southeastern San Juan basin, New Mexico /
    by Condon, Steven M.
    Published 1989

    Government Document Book
  20. 20
    Shorter contributions to paleontology and stratigraphy /
    Published 1990

    Government Document Book
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