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Explains how the mixing-tank system can be successfully worked in dredging beach gold. (1700 w.)
Explains how the mixing-tank system can be successfully worked in dredging beach gold. (1700 w.)
Dredging fine gold
N Z Mines Rec
Shury, Fred. (Autor:in)
1901
Ill.
Aufsatz (Zeitschrift)
Englisch
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Dredging for fine gold in Idaho
Engineering Index Backfile | 1902
|Dredging for fine gold in Idaho
Engineering Index Backfile | 1905
|British Library Online Contents | 1999
Online Contents | 1999
Engineering Index Backfile | 1900
|