Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Reclaiming calumet and Hecla tailings with a hydraulic dredge
Describes the dredge and its operation, the discharge line and pontoons carrying it. (1500 w.) (No. 57790)
Reclaiming calumet and Hecla tailings with a hydraulic dredge
Describes the dredge and its operation, the discharge line and pontoons carrying it. (1500 w.) (No. 57790)
Reclaiming calumet and Hecla tailings with a hydraulic dredge
Min Engng Wld
Brunt, Bradlee Van (Autor:in)
1915
Ills.
Aufsatz (Zeitschrift)
Englisch
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The Calumet and Hecla Company's properties
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Safety posters at calumet and hecla mines
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Welfare work of the calumet and hecla
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Human engineering at the Calumet and Hecla
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The Coal Hoists of the Calumet and Hecla Mining Company
| ASCE | 2021