فصل الذهب الغريني في التلك
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Alluvial and Placer Mineral Deposits Geology for Investors. Aug 5 2013 Alluvial mining is a little different you can work a gold claim with cheap gear and you can learn the skills involved in a few hours California was an outpost until gold put it on the map and connected it by road to the eastern states replacing a long sea voyage via Panama or South America To a lesser...