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Earth temperatures on the Witwatersrand goldfields
Abstract of a paper read before the Inst. of Min. and Met. A record of an investigation of earth temperatures and their relation to deep coal mining in the locality. (2200 w.) (No. 75904 A)
Earth temperatures on the Witwatersrand goldfields
Abstract of a paper read before the Inst. of Min. and Met. A record of an investigation of earth temperatures and their relation to deep coal mining in the locality. (2200 w.) (No. 75904 A)
Earth temperatures on the Witwatersrand goldfields
Col Guard
Marriott, Hugh F. (Autor:in)
1906
Aufsatz (Zeitschrift)
Englisch
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