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Illustrated description of a new dredge recently built at El Dorado, on the American River. Dredging is possible to a total depth of 50 ft. (1500 w.) (No. 74847)
Illustrated description of a new dredge recently built at El Dorado, on the American River. Dredging is possible to a total depth of 50 ft. (1500 w.) (No. 74847)
A new gold dredge
Min Sci Pr
Hurst, George L. (Autor:in)
1906
Aufsatz (Zeitschrift)
Englisch
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