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Mineral resources of the Spring Basin Wilderness Study Area, Wheeler County, Oregon / by Jay A. Ach ... [et al.] (Mineral resources of wilderness study areas--John Day region, Oregon ; ch. C) (U.S. Geological Survey bulletin ; 1743-C)

Mineral resources of the Spring Basin Wilderness Study Area, Wheeler County, Oregon / by Jay A. Ach ... [et al.] (Mineral resources of wilderness study areas--John Day region, Oregon ; ch. C) (U.S. Geological Survey bulletin ; 1743-C)
Microform図書
1989<YCA-I 19.3:1743-C>
National Diet Library
  • Author HeadingAch, Jay A Geological Survey (U.S.)

Mineral resources of the South Fork and Sand Hollow Wilderness Study Areas, Crook County, Oregon / by Jay A. Ach ... [et al.] (U.S. Geological Survey bulletin ; 1744-A) (Mineral resources of wilderness study areas--central and far western Oregon ; ch. A)

Mineral resources of the South Fork and Sand Hollow Wilderness Study Areas, Crook County, Oregon / by Jay A. Ach ... [et al.] (U.S. Geological Survey bulletin ; 1744-A) (Mineral resources of wilderness study areas--central and far western Oregon ; ch. A)
Microform図書
1988<YCA-I 19.3:1744-A>
National Diet Library
  • Author HeadingAch, Jay A Geological Survey (U.S.)

Mineral resources of the Lower John Day and Thirtymile Wilderness Study Areas, Sherman and Gilliam Counties, Oregon / by Jay A. Ach ... [et al.] (Mineral resources of wilderness study areas--John Day region, Oregon ; ch. A) (U.S. Geological Survey bulletin ; 1743)

Mineral resources of the Lower John Day and Thirtymile Wilderness Study Areas, Sherman and Gilliam Counties, Oregon / by Jay A. Ach ... [et al.] (Mineral resources of wilderness study areas--John Day region, Oregon ; ch. A) (U.S. Geological Survey bulletin ; 1743)
Microform図書
1988<YCA-I 19.3:1743-A>
National Diet Library
  • Author HeadingAch, Jay A Geological Survey (U.S.)

Mineral resources of the East Fork High Rock Canyon Wilderness Study Area, Washoe and Humboldt Counties, Nevada / by Jay A. Ach ... [et al.] (Mineral resources of wildreness study areas--northwestern Nevada ; ch. B) (U.S. Geological Survey bulletin ; 1707)

Mineral resources of the East Fork High Rock Canyon Wilderness Study Area, Washoe and Humboldt Counties, Nevada / by Jay A. Ach ... [et al.] (Mineral resources of wildreness study areas--northwestern Nevada ; ch. B) (U.S. Geological Survey bulletin ; 1707)
Microform図書
1987<YCA-I 19.3:1707-B>
National Diet Library
  • Author HeadingAch, Jay A Geological Survey (U.S.)

Mineral resources of the Little Owyhee River Wilderness Study Area, Owyhee County, Idaho / by Jay A. Ach ... [et al.] (U.S. Geological Survey bulletin ; 1719-C) (Chapter C)

Mineral resources of the Little Owyhee River Wilderness Study Area, Owyhee County, Idaho / by Jay A. Ach ... [et al.] (U.S. Geological Survey bulletin ; 1719-C) (Chapter C)
Microform図書
1986<YCA-I 19.3:1719-C>
National Diet Library
  • Author HeadingAch, Jay A Geological Survey (U.S.)

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