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Books by George Alfred Denny

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5 books found
Diamond Drilling for Gold and Other Minerals; A Practical Handbook on the Use of Modern Diamond Core Drills in Prospecting and Exploiting Mineral-Bear
Diamond Drilling for Gold and Other Minerals; A Practical H…
By: George Alfred Denny, G. a. Denny
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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)
Diamond Drilling for Gold and Other Minerals, a Practical H…
By: George Alfred Denny
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Diamond Drilling for Gold and Other Minerals: A Practical Handbook On the Use of Modern Diamond Core Drills in Prospecting and Exploiting ... of the Cost of Apparatus and of Working
Diamond Drilling for Gold and Other Minerals: A Practical H…
By: George Alfred Denny
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Diamond drilling for gold and other minerals (Vol-1): a practical handbook on the use of modern diamond core drills in prospecting and exploiting ... of the cost of apparatus and of working
Diamond drilling for gold and other minerals (Vol-1): a pra…
By: George Alfred Denny
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The Deep-Level Mines of the Rand and Their Future Development: Considered from the Commercial Point of View
The Deep-Level Mines of the Rand and Their Future Developme…
By: George Alfred Denny
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