The coals of the Witbank District (Transvaal) Pt. I. Geology, mining and marketing of Witbank coals, by A.C. Graham ... Pt. II. The physical and chemical properties of Witbank coals, by P.N. Lategan ...

By: Contributor(s): Material type: TextTextPublication details: Johannesburg, Published by the Transvaal Chamber of Mines, Collieries Committee, and printed by Hortors Limited, 1931.Description: viii, 169 p. incl. illus., tables. diagrs. 12 fold. pl. (incl. plans, diagrs.) 21 cmSubject(s): LOC classification:
  • TN810.T7 G7
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