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  1. 1
    Geologic map of Oregon east of the 121st meridian /
    by Walker, George Walton, 1921-
    Published 1977

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    Government Document Map
  2. 2
    Geologic map index of Oregon /
    Published 1949

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Map
  3. 3
    Geologic map of Oregon /
    by Walker, George Walton, 1921-
    Published 1991

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    Map
  4. 4
    Annotated lexicon of names applied to Tertiary stratigraphic units in Oregon and Washington west of the Cascade Mountains : with bibliography /

    Book
  5. 5
    Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and north California in the years 1843-'44

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    Book
  6. 6
    Geologic map of the Round Mountain quadrangle, Oregon /

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Map
  7. 7
    Geology of northwestern Oregon : west of Willamette River and north of latitude 45°15ʹ /

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    Government Document Map
  8. 8
    Map showing distribution, composition, and age of late Cenozoic volcanic centers in Oregon and Washington /
    by Luedke, Robert G
    Published 1982

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    Government Document Map
  9. 9
    Preliminary geologic map of the Grants Pass quadrangle, Oregon /
    Published 1940

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    Map
  10. 10
    Geologic map of Oregon /
    by Walker, George Walton, 1921-
    Published 1969

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  11. 11
    Reconnaissance geologic map of the Wallowa Lake Quadrangle, Oregon /
    Published 1941

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Map
  12. 12
    Geologic map of Oregon west of the 121st meridian /

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Map
  13. 13
    Geologic map of the Medford quadrangle, Oregon-California

    Government Document Map
  14. 14
    Geologic map of the Portland quadrangle, Oregon-Washington /
    by Trimble, Donald E
    Published 1957

    Government Document Map
  15. 15
    Geologic field-trip guide of volcaniclastic deposits from snow- and ice-capped volcanoes--Mount St. Helens , Washington and Mount Hood, Oregon
    by Pierson, Thomas C.
    Published 2018

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Government Document Electronic Book
  16. 16
    Geologic map of the Brannan Gulch 7 1/2� quadrangle, Baker County, Oregon /
    Published 1993

    Government Document Map
  17. 17
    Geologic map of the Dooley Mountain 7 1/2� quadrangle, Baker County, Oregon /
    Published 1992

    Government Document Map
  18. 18
    Geologic map of the Smith Rock area, Jefferson, Deschutes, and Crook Counties, Oregon /
    by Robinson, Paul T
    Published 1979

    Government Document Map
  19. 19
    Mineral deposits and probability of exploration, Medford 1⁰ x 2⁰ quadrangle, Oregon and California /

    Map
  20. 20
    Crater Lake National Park and vicinity, Oreg /
    Published 1956

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