Prospecting for gold; from the dish to the hydraulic plant, and from the dolly to the stamper battery. With chapters on tin, osmiridium, platinum, opals and oil. With a chapter on Prospecting for oil by W.G. Woolnough
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| 格式: | 圖書 |
| 語言: | English |
| 出版: |
[Sydney]
Angus and Robertson
[1966].
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