Some notes on tin mining in Malaya during late 1951
- 1951
- 20p. 30cm
The main methods of mining are dredging, gravel pumping, hyraulicing (water under natural head), opencast (dry) and dulang washing (panning)
Tin
The main methods of mining are dredging, gravel pumping, hyraulicing (water under natural head), opencast (dry) and dulang washing (panning)
Tin