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    • Flotation Test Work on Samples of Copper Ore submitted by Ministerio de Guerra. 

      Wheeler, Archer E. (Argentina. Ministerio de Guerra. Dirección General de Fabricaciones Militares., 1950)
      On January 29, 1947 the Mineral Dressing Laboratory received seven cases of ore samples from Ministerio de Guerre, Dirrecion General de Fabricaciones Militares, Buenos Aires, Argentina. The samples were submitted by Archer ...