Silver-lead-zinc mining industry (Ottawa [Verlag nicht ermittelbar], 1947)
Urh. 1947 - 1952: Department of Trade and Commerce, Dominion Bureau of Statistics, Industry and Merchandising Division, Mining, Metallurgical and Chemical Section; Section 1953: Dominion Bureau of Statistics, ..., Mineral Statistics Section
A/AC 040185
Keywords: Zeitschrift; Statistik