A. D. · G. A. · G D · George Alfred Denny
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| 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 | Hardcover | 978-0-332-62973-5 (0-332-62973-2) | 2018 |
| 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 | Paperback | 978-1-330-60510-3 (1-330-60510-1) | 2018 |