Showing 1 - 20 results of 29 for search 'Ashley, Roger P. (Roger Parkmand), 1940-', query time: 0.06s Refine Results
  1. 1
    Preliminary geologic map of the Goldfield mining district Nevada /

    Preliminary geologic map of the Goldfield mining district Nevada / by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 1975
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  2. 2
    Geochemical map showing distribution and abundance of bismuth in silicified rocks, Goldfield Mining District, Esmeralda and Nye counties, Nevada /

    Geochemical map showing distribution and abundance of bismuth in silicified rocks, Goldfield Mining District, Esmeralda and Nye counties, Nevada / by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 1973
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  3. 3
    Geochemical map showing distribution and abundance of copper in silicified rocks, Goldfield Mining District, Esmeralda and Nye counties, Nevada /

    Geochemical map showing distribution and abundance of copper in silicified rocks, Goldfield Mining District, Esmeralda and Nye counties, Nevada / by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 1973
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  4. 4
    Geochemical map showing distribution and abundance of lead in silicified rocks, Goldfield Mining District, Esmeralda and Nye counties, Nevada /

    Geochemical map showing distribution and abundance of lead in silicified rocks, Goldfield Mining District, Esmeralda and Nye counties, Nevada / by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 1973
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  5. 5
    Geochemical map showing distribution and abundance of mercury in silicified rocks, Goldfield Mining District, Esmeralda and Nye counties, Nevada /

    Geochemical map showing distribution and abundance of mercury in silicified rocks, Goldfield Mining District, Esmeralda and Nye counties, Nevada / by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 1973
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  6. 6
    Geochemical map showing distribution and abundance of molybdenum in sliced rocks, Goldfield Mining District, Esmeralda and Nye Counties, Nevada /

    Geochemical map showing distribution and abundance of molybdenum in sliced rocks, Goldfield Mining District, Esmeralda and Nye Counties, Nevada / by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 1973
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  7. 7
    Geochemical map showing distribution and abundance of silver in silicified rocks, Goldfield Mining District, Esmeralda and Nye Counties, Nevada /

    Geochemical map showing distribution and abundance of silver in silicified rocks, Goldfield Mining District, Esmeralda and Nye Counties, Nevada / by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 1973
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  8. 8
    Mercury geochemistry of gold placer tailings, sediments, bedrock, and waters in the lower Clear Creek Area, Shasta County, California report of investigations, 2001-2003 /

    Mercury geochemistry of gold placer tailings, sediments, bedrock, and waters in the lower Clear Creek Area, Shasta County, California report of investigations, 2001-2003 / by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 2008
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  9. 9
    Geochemical data for gold-bearing rocks from the Goldfield mining district, Nevada

    Geochemical data for gold-bearing rocks from the Goldfield mining district, Nevada by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 1991
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  10. 10
    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. (Roger Parkmand), 1940-

    Published 1976
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  11. 11
    Lithology, petrography, and geochemistry of three cores from the Goldfield mining district, Nevada

    Lithology, petrography, and geochemistry of three cores from the Goldfield mining district, Nevada by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 1990
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  12. 12
    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. (Roger Parkmand), 1940-

    Published 2002
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  13. 13
    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. (Roger Parkmand), 1940-

    Published 1988
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  14. 14
    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. (Roger Parkmand), 1940-

    Published 1975
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  15. 15
    Geochemical map showing distribution and abundance of arsenic in silicified rocks, Goldfield Mining District, Esmeralda and Nye counties, Nevada /

    Geochemical map showing distribution and abundance of arsenic in silicified rocks, Goldfield Mining District, Esmeralda and Nye counties, Nevada / by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 1973
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  16. 16
    Epithermal gold deposits.

    Epithermal gold deposits. by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 1990
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  17. 17
    Geochemical map showing distribution and abundance of gold in silicified rocks, Goldfield Mining District, Esmeralda and Nye Counties, Nevada /

    Geochemical map showing distribution and abundance of gold in silicified rocks, Goldfield Mining District, Esmeralda and Nye Counties, Nevada / by Ashley, Roger P. (Roger Parkmand), 1940-

    Published 1973
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  18. 18
    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. (Roger Parkmand), 1940-, Keith, William J., 1933-

    Published 1976
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  19. 19
    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. (Roger Parkmand), 1940-, Albers, John P. (John Patrick), 1919-1986

    Published 1975
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  20. 20
    Mineral resources of the Sheep Mountain Wilderness Study Area, Baker County, Oregon /

    Mineral resources of the Sheep Mountain Wilderness Study Area, Baker County, Oregon /

    Published 1988
    Other Authors: “…Ashley, Roger P. (Roger Parkmand), 1940-…”
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