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
| Príomhchruthaitheoir: | |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
[Sydney]
Angus and Robertson
[1966].
|
| Ábhair: |