Statistical summary of the mineral industry.

Statistical summary of the mineral industry.

Xehetasun bibliografikoak
Erakunde egilea: [Gt. Brit. Directorate of] Overseas Geological Surveys. Mineral Resources Division
Formatua: Liburua
Hizkuntza:English
Argitaratua: London H. M. Staty. Off. 19--.
Gaiak:
Mines and mineral resources.