Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Historical note on gold mining and use of dredges in California, including information on details and principles involved in operation of modern dredge equipment; features of placer mining process; operations and equipment employed in construction of some dredge components at Yuba Mfg Co, Benicia, Calif.
Historical note on gold mining and use of dredges in California, including information on details and principles involved in operation of modern dredge equipment; features of placer mining process; operations and equipment employed in construction of some dredge components at Yuba Mfg Co, Benicia, Calif.
Placer mining dredges
Western Machy Steel World
Paul, R.G. (Autor:in)
1947
Aufsatz (Zeitschrift)
Englisch
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