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  1. 1
    Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Fayette County, Ohio to Botetourt County, Virginia /
    Published 1996

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  2. 2
    Thickness and lithology of Upper Ordovician and Lower and Middle Silurian rocks in the Michigan Basin /
    by Cohee, George Vincent, 1907-
    Published 1948

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  3. 3
    Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Campbell County, Kentucky, to Tazewell County, Virginia /
    Published 1997

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  4. 4
    Correlation and subdivision of subsurface Lower Ordovician and Upper Cambrian rocks in northeastern Oklahoma /
    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
    Equivalent freshwater head and dissolved-solids concentration of water in rocks of Cambrian, Ordovician, and Mississippian age in the northern midcontinent, U.S.A. /
    Published 1986

    Government Document Map
  6. 6
    Sections and maps of Lower Ordovician and Cambrian rocks in the Michigan Basin, Michigan and adjoining areas /
    by Cohee, George Vincent, 1907-
    Published 1945

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  7. 7
    Maps of northeastern Oklahoma and parts of adjacent states showing the thickness and subsurface distribution of lower Ordovician and upper Cambrian rocks below the Simpson group /

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  8. 8
    Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Lake County, Ohio, to Juniata County, Pennsylvania /
    Published 1992

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  9. 9
    Distribution of selected Ordovician conodont faunas in northern New Jersey /
    Published 1989

    Government Document Map
  10. 10
    Geochemistry of the Cambrian-Ordovician aquifer system in the Northern Midwest, United States /
    by Siegel, Donald I
    Published 1989

    Government Document Book
  11. 11
    Isopach and lithofacies map of the Sauk sequence (excluding basal clastics) in the northern midcontinent, U.S.A. /
    Published 1987

    Government Document Map
  12. 12
    Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Fayette County, Ohio to Botetourt County, Virginia /
    Published 1996

    Government Document Map
  13. 13
    Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian Basin from Richland County, Ohio to Rockingham County, Virginia /
    Published 1991

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  14. 14
    Thickness and lithology of Upper Ordovician and Lower and Middle Silurian rocks in the Michigan Basin ... /
    by Cohee, George Vincent, 1907-
    Published 1948

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  15. 15
    Summary of ground-water hydrology of the Cambrian-Ordovician aquifer system in the northern Midwest, United States /

    Government Document Book
  16. 16
    Regional bedrock geology of the Bellefontaine, Ohio 30 x 60 minute quadrangle /
    by Swinford, E. Mac
    Published 1995

    Government Document Map
  17. 17
    Stratigraphic framework of Cambrian and Ordovician rocks in the Appalachian Basin from Sequatchie County, Tennessee, through eastern Kentucky, to Mingo County, West Virginia
    Published 2008

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  18. 18
    Geochemistry of the Cambrian-Ordovician aquifer system in the northern Midwest, United States /
    by Siegel, Donald I
    Published 1989

    Government Document Book
  19. 19
    Hydrogeologic properties of the Ordovician Sinnipee Group at test well BN-483, Better Brite Superfund Site, De Pere, Wisconsin /
    by Batten, W. G
    Published 1999

    Government Document Book
  20. 20
    Sections and maps of Lower Ordovician and Cambrian rocks in the Michigan Basin, Michigan and adjoining areas /
    by Cohee, George Vincent, 1907-
    Published 1945

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