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Coal mining ; 2
Jones, Donald Campbell (contributor);  … - Pennsylvania State College / Mineral Industries … - 1952 - 3d ed
Persistent link: https://www.econbiz.de/10003169466
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Coal mining ; 3
Jones, Donald Campbell (contributor);  … - Pennsylvania State College / Mineral Industries … - 1954 - 3d ed
Persistent link: https://www.econbiz.de/10003169469
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Conflict on South African mines, 1972-1979
Horner, Dudley; Kooy, Alide - 1980
Persistent link: https://www.econbiz.de/10002960433
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Coal mining
Jones, Donald Campbell (contributor);  … - Pennsylvania State College / Mineral Industries … - 1949 - 3d ed
Persistent link: https://www.econbiz.de/10002850520
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Aufstieg und Fall der Bergarbeitergewerkschaften
Pleines, Heiko - In: Wirtschafts- und sozialpolitische Herausforderungen …, (pp. 111-112). 2004
Persistent link: https://www.econbiz.de/10002806935
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Chibaro : African mine labour in Southern Rhodesia 1900-1933
Van Onselen, Charles - 1980 - First paperback ed.
Persistent link: https://www.econbiz.de/10002610738
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The Minerals of Connecticut
Schairer, John Frank - 1931
Persistent link: https://www.econbiz.de/10002331203
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The minerals of Idaho
Shannon, Earl V. - 1926
Persistent link: https://www.econbiz.de/10000400991