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  1. 1

    Geologic map of Oregon by Geological Survey (U.S.)

    Published: Department of the Interior, United States Geological Survey, 1969
    Description: 1 map : color ; 24 x 32 cm, on sheet 36 x 66 cm.
    Government Document Map
  2. 2

    Geologic map of the Salem 1⁰?by 2⁰?quadrangle, western Oregon by Geological Survey (U.S.)

    Published: The Survey ; For sale by Map Distribution, 1989
    Description: 1 map : color ; 44 x 69 cm, on sheet 101 x 118 cm, folded in envelope 30 x 24 cm.
    Government Document Map
  3. 3

    Reconnaissance geologic map of the Adel quadrangle, Lake, Harney, and Malheur counties, Oregon by Walker, George Walton, 1921-

    Published: Dept. of the Interior, U.S. Geological Survey, 1965
    Description: 1 map : color ; 44 x 66 cm, folded to 26 x 19 cm, in envelope 30 x 24 cm.
    Map
  4. 4

    Reconnaissance geologic map of the west half of the Jordan Valley quadrangle, Malheur County, Oregon by Walker, George Walton, 1921-

    Published: The Survey, 1966
    Description: 1 map : color ; 44 x 33 cm, on sheet 66 x 92 cm, folded in envelope 30 x 24 cm.
    Map
  5. 5

    Reconnaissance geologic map of the east half of the Crescent quadrangle, Lake, Deschutes, and Crook Counties, Oregon by Walker, George Walton, 1921-

    Published: The Survey, 1967
    Description: 1 map : color ; 44 x 32 cm, on sheet 63 x 95 cm, folded in envelope 30 x 24 cm.
    Map
  6. 6

    Geologic map of the Burns quadrangle, Oregon by Greene, Robert C.

    Published: U.S. Geological Survey, 1972
    Description: 1 map : color ; 44 x 65 cm,. folded in envelope 30 x 24 cm + text (6 pages ; 28 cm).
    Map
  7. 7

    Reconnaissance geologic map of the Oregon part of the Grangeville quadrangle, Baker, Union, Umatilla, and Wallowa counties, Oregon by Walker, George Walton, 1921-

    Published: U.S. Geological Survey, 1979
    Description: 1 map : color ; 45 x 63 cm, folded in envelope 30 x 24 cm.
    Map
  8. 8

    Reconnaissance geologic map of the eastern half of the Klamath Falls (AMS) quadrangle, Lake and Klamath Counties, Oregon by Walker, George Walton, 1921-

    Published: U.S. Geological Survey, 1963
    Description: 1 map : color ; 45 x 33 cm, folded in envelope 30 x 24 cm.
    Map
  9. 9

    Preliminary geologic and tectonic maps of Oregon east of the 121st meridian by Walker, George Walton, 1921-

    Published: [United States Geological Survey], 1973
    Description: 2 maps ; 97 x 72 cm and 45 x 36 cm.
    Map