Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Gold-dredging practice in Central Otago
Briefly reviews the past history of gold dredging in this field. showing the development of this important branch of alluvial mining, and describing the practice. (Serial. 1st part) (8000 w.) (No. 81692 B)
Gold-dredging practice in Central Otago
Briefly reviews the past history of gold dredging in this field. showing the development of this important branch of alluvial mining, and describing the practice. (Serial. 1st part) (8000 w.) (No. 81692 B)
Gold-dredging practice in Central Otago
N Z Mines Rec
Macdonald, Hugh R. (Autor:in)
1906
Aufsatz (Zeitschrift)
Englisch
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