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
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
[Sydney]
Angus and Robertson
[1966].
|
| Gaiak: |