Showing 1 - 5 results of 5 for search 'Ashley, Roger P. 1940-', query time: 0.01s Refine Results
  1. 1
    Epithermal gold deposits.

    Epithermal gold deposits. by Ashley, Roger P. 1940-

    Published 1990
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  2. 2
    Mineral resources of the Sheep Mountain Wilderness Study Area, Baker County, Oregon /

    Mineral resources of the Sheep Mountain Wilderness Study Area, Baker County, Oregon / by Ashley, Roger P. 1940-

    Published 1988
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  3. 3
    Preliminary report on mercury geochemistry of placer gold dredge tailings, sediments, bedrock, and waters in the Clear Creek restoration area, Shasta County, California /

    Preliminary report on mercury geochemistry of placer gold dredge tailings, sediments, bedrock, and waters in the Clear Creek restoration area, Shasta County, California / by Ashley, Roger P. 1940-

    Published 2002
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  4. 4
    Distribution of gold and other metals in silicified rocks of the Goldfield Mining District, Nevada /

    Distribution of gold and other metals in silicified rocks of the Goldfield Mining District, Nevada / by Ashley, Roger P. 1940-, Keith, William J., 1933-

    Published 1976
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  5. 5
    Distribution of gold and other ore-related elements near ore bodies in the oxidized zone at Goldfield, Nevada /

    Distribution of gold and other ore-related elements near ore bodies in the oxidized zone at Goldfield, Nevada / by Ashley, Roger P. 1940-, Albers, John P. 1919-1986

    Published 1975
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