The lemon tin mining report
- 1919
- 1v. (various pagings) 30cm.
The primary cause of the decline is, in the opinion of the Commission, the progressive exhaustion of the most productive and easily worked parts of the principal mining fields coupled with the fact that this has not been counterbalanced by the discovery of new fields of any magnitude within the federated Malay States for a number of years past.
Tin
The primary cause of the decline is, in the opinion of the Commission, the progressive exhaustion of the most productive and easily worked parts of the principal mining fields coupled with the fact that this has not been counterbalanced by the discovery of new fields of any magnitude within the federated Malay States for a number of years past.
Tin