Abstract
THE Mines of the Witwatersrand have produced gold worth more than 1080 millions sterling, and their annual output is half the annual world production of gold. The underground practice of so important a field, which contains some of the deepest mines of the world, is of interest to all mining engineers, especially as within the last decade great advances have been made in underground working methods, as a result of exhaustive research by the mining groups.
Witwatersrand Mining Practice.
By Prof. G. A. Watermeyer S. N. Hoffenberg. (Published by the Transvaal Chamber of Mines, Gold ‘Producers Committee.) Pp. xxxii + 895. (Johannesburg: Hortors, Ltd., 1932.) 45s.
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P., T. Witwatersrand Mining Practice. Nature 130, 114–115 (1932). https://doi.org/10.1038/130114b0
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DOI: https://doi.org/10.1038/130114b0
