Diamond drilling for gold and other minerals
Subtitle: 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: by G. A. Denny. With illustrative diagrams.
Publisher: C. Lockwood and son
Published: 1900
Place of publication: London
Language: eng
Number of pages: 158
Subjects: Boring; Rock-drills