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Showing 1 - 3 results of 3 for search '"MINERIA-ECUADOR"', query time: 0.04s Refine Results
  1. 1
    Las minas de Zamora : cuentas de la hacienda real 1561-1565 /

    Las minas de Zamora : cuentas de la hacienda real 1561-1565 /

    Published 1957
    Subjects:
    Book
  2. 2
    Proceedings of the second Pan American scientific congress : mining in Ecuador /

    Proceedings of the second Pan American scientific congress : mining in Ecuador / by Mercer, J. W.

    Subjects:
    Article
  3. 3
    Congreso Científico Panamericano (2 : 1915-1916 : Washington).

    Congreso Científico Panamericano (2 : 1915-1916 : Washington).

    Published 1917
    Subjects:
    Conference Proceeding Book

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