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Raw materials and technology fuel U.S. economic growth

Thomas D. Kelly, US Geological Survey

December 2002

This article was published by the Society for Mining, Metallurgy, and Exploration in the December 2002 issue of Mining Engineering.

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For more information, please contact:

    Thomas D. Kelly
    USGS Minerals Information
    Phone: 303 236 8747 x269

U.S. Department of the Interior
U.S. Geological Survey
Minerals Information
988 National Center
Reston, VA 20192 USA

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