Reconnaissance geologic map of the west half of the Jordan Valley quadrangle, Malheur County, Oregon

Walker, George Walton, 1921-

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Notes

  • "Base from Army Map Service quadrangle Jordan Valley, 1955."
  • "Based on reconnaissance and photogeologic mapping by G.W. Walker, 1963-1964, and C.A. Repenning, 1963."
  • "Contour interval 100 feet."
  • Includes col. quadrangle map, bibliography, 1 col. cross section, index to geologic mapping, and tectonic map.
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