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    Prospecting for gold; from the dish to the hydraulic plant, and from the dolly to the stamper battery. With chapters on tin, osmiridium, platinum, opals and oil. With a chapter on... af Idriess, Ion LLewellyn 1890-

    Udgivet 1966
    Bog

    Prospecting for gold; from the dish to the hydraulic plant, and from the dolly to the stamper battery. With chapters on tin, osmiridium, platinum, opals and oil. With a chapter on Prospecting for oil by W.G. Woolnough

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