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Cuba Revisited
August 2000 by Edgar B. Heylmun, PhD

Picks & Pans: Basic Dry Washing Operations in Gold Placer Mining

Finding Gold With Copper and Turquoise

Prospecting Hard Rock

Detecting for Gold in Australia

Northern Dynasty To Appeal Alaska Permit Rejection
The proposed mine would be built on state-owned land in the Bristol Bay region, near the world’s largest wild sockeye salmon fishery.
Critical Minerals: Tungsten
Because tungsten minerals are heavy, exploration can be done using stream sediment samples. Prospectors looking for gold have found scheelite or wolframite in their placer concentrates, and in some cases this has led them to make important tungsten finds.
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