Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
An account of gold dredging in Australia, California, and Alaska, showing its success in the latter. (1200 w.) (No. 8586)
An account of gold dredging in Australia, California, and Alaska, showing its success in the latter. (1200 w.) (No. 8586)
Gold dredging in Alaska
Sci Am
Walsh, George E. (Autor:in)
1909
Aufsatz (Zeitschrift)
Englisch
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Submarine gold dredging at Nome, Alaska
| Engineering Index Backfile | 1910
Some notes on gold dredging in Alaska
| Engineering Index Backfile | 1914
Thawing and dredging gold at Fairbanks, Alaska
| Engineering Index Backfile | 1933
Gold dredging in Alaska and the yukon
| Engineering Index Backfile | 1912
Dredging for gold on seward Peninsula, Alaska -- Season 1916
| Engineering Index Backfile | 1917