Diamond drilling for gold and other minerals : a practical handbook on the use of modern diamond core drills in prospecting and exploiting mineral-bearing properties, including particulars of the cost of apparatus and of working / by G. A. Denny.
|Main Author:||Denny, George Alfred, 1868-|
London : C. Lockwood, 1900.
x, 158 p.
|Original Classification Number:||TN 281 .D42|
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