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Gold placer mining

Gold placer mining

placer evaluation and dredge selection

By C. M. Romanowitz

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Publish Date

1970

Publisher

U.S. Bureau of Mines; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.

Language

eng

Pages

56

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Gold placer mining

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Gold placer miningplacer evaluation and dredge selection

Language: eng

Pages: 56

Published In: 1970

Publisher: U.S. Bureau of Mines; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.