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Mineral facts and problems
USA / Bureau of Mines - 1956-1985: Washington, DC : US Gov. Print. Off. - Ed. 1.1956 - 7.1985[?]
Persistent link: https://www.econbiz.de/10000481278
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Annual report of the Geological Survey and Mines Department : for the year ended 31.12. ...
Swaziland <Protectorate> / Geological Survey and Mines … - 1958-: Mbabane : [Verlag nicht ermittelbar] - 1958 - 1975[?]; 1984 - 1985; 1989 -
Persistent link: https://www.econbiz.de/10000461412
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West Virginia geological and economic survey : annual report for the year ending Dec. 31, ...
West Virginia; West Virginia Geological and Economic Survey - Charleston, W Va. - Nachgewiesen 1965 -
Persistent link: https://www.econbiz.de/10000369187
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Referate / Berg- und Hüttenmännischer Tag ; Bergakademie Freiberg
Berg- und Hüttenmännischer Tag; Bergakademie Freiberg - Freiberg - 1973 - 1988 nachgewiesen
Persistent link: https://www.econbiz.de/10000370491