Búsqueda de LIBROS DEL AUTOR: allen f agnew

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  • INTERNATIONAL MINERALS
    ebook
    INTERNATIONAL MINERALS
    ALLEN F AGNEW
    The United States depends on foreign sources for many strategic and essential minerals. Secure supplies of such minerals are crucial to the nation's economic and military well-being, but federal policies with regard to these minerals have continued to vacillate. This volume considers the minerals availability issue from a number of perspectives. In ...

    $1,120.00

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  • THE NATURAL GEOCHEMISTRY OF OUR ENVIRONMENT
    ebook
    THE NATURAL GEOCHEMISTRY OF OUR ENVIRONMENT
    DAVID H SPEIDEL / ALLEN F. AGNEW
    The Natural Geochemistry of Our Environment shows that the Earth is a water world, whose water is transformed readily from the solid to the liquid to the gaseous state. This book, is an outgrowth of a report prepared in 1979 by Drs. Speidel and Agnew for the U.S. Science, Research, and Technology Subcommittee, provides just such a background to enables one to comprehend the nat...

    $1,200.00

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