Diamond Drilling for Gold and Other Minerals, a Practical Handbook on the Use of Modern Diamond Core Drills in Prospecting and Exploiting ... of Apparatus and of Working (Classic Reprint)

The rapid strides made in recent years in the perfecting of the Diamond Drill, and its now general use in prospecting for mineral and metalliferous deposits, have created a want in technical literature which it is the purpose of this work in some measure to fill. The greater part of the work having been written in the Transvaal, and with the special features there existent before the mind of the A uthor, his aim has been, whilst including much information which is generally applicable, to make the work more particularly adapted to the needs of South African diamond drillers and of other persons who may be contemplating the use of diamond drilling machines in connection with the prospecting or exploitation of mineral lands in South A frica.
(Typographical errors above are due to OCR software and don't occur in the book.)

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