Browsing by Degree Name "Diploma of Associateship of Otago School of Mines"
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Mineral dressing and gold extraction of Blackwater Mines (Reefton) Ltd. N.Z.
In the Past, only a brief outline of the Mill has been published – Chem. Eng. Min. Mag. – Nov. 1939 – and this investigation has been the more interesting, not only on account of the efficient manner in which the gold is ...