Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Platinum dredging
Dredge of Goodnews Bay Mining Company is working on Salmon River near Squirrel Creek; gravel averages about 35 ft, with few boulders; average season runs about 200 days and dredge handles about 5000 cu yds each 24 hr period; other details; Diesel electric power; auxiliary drag-line operations; clean-up methods; supply problems.
Platinum dredging
Dredge of Goodnews Bay Mining Company is working on Salmon River near Squirrel Creek; gravel averages about 35 ft, with few boulders; average season runs about 200 days and dredge handles about 5000 cu yds each 24 hr period; other details; Diesel electric power; auxiliary drag-line operations; clean-up methods; supply problems.
Platinum dredging
Min World
Mining World ; 8
1946
4 pages
Aufsatz (Zeitschrift)
Englisch
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