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  1. 1
    Proceedings of second Pan American scientific congress : conservation and economic theory /

    Proceedings of second Pan American scientific congress : conservation and economic theory / by Ely, Richard T.

    Subjects: “…RECURSOS NATURALES…”
    Article
  2. 2
    Experimental ecological reserves /

    Experimental ecological reserves /

    Published 1977
    Subjects: “…RESERVAS NATURALES…”
    Book
  3. 3
    First world conference on national parks /

    First world conference on national parks /

    Published 1962
    Subjects:
    Conference Proceeding Book
  4. 4
    Conserving american resources /

    Conserving american resources / by Parson, Ruben L.

    Published 1960
    Subjects:
    Book
  5. 5
    Conservation of natural resources /

    Conservation of natural resources / by Smith, Guy Harold

    Published 1958
    Subjects:
    Book
  6. 6
    The great american forest /

    The great american forest / by Platt, Rutherford

    Published 1969
    Subjects: “…RECURSOS NATURALES…”
    Book
  7. 7
    COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L'ACADEMIE DES SCIENCES. SERIE D

    COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L'ACADEMIE DES SCIENCES. SERIE D

    Published 1966
    Subjects: “…CIENCIAS NATURALES…”
    Get full text
    Serial
  8. 8
    JAPANESE PERIODICALS INDEX; NATURAL SCIENCES /

    JAPANESE PERIODICALS INDEX; NATURAL SCIENCES /

    Published 1960
    Subjects: “…Ciencias naturales…”
    Journal
  9. 9
    Saving natural areas /

    Saving natural areas /

    Published 1969
    Subjects: “…AREAS NATURALES…”
    Book
  10. 10
    Península Mitre e Isla de los Estados. al rescate del confín Austral

    Península Mitre e Isla de los Estados. al rescate del confín Austral by Chebez, Juan Carlos

    Subjects:
    Article
  11. 11
    Savannah River Plant /

    Savannah River Plant /

    Published 1980
    Subjects:
    Book
  12. 12
    Proceedings of second Pan American scientific congress : conservation in its relation to industrial evolution /

    Proceedings of second Pan American scientific congress : conservation in its relation to industrial evolution / by Hess, Ralph Henry

    Subjects: “…RECURSOS NATURALES…”
    Article
  13. 13
    Proceedings of second Pan American scientific congress : the people's interest in water-power resources /

    Proceedings of second Pan American scientific congress : the people's interest in water-power resources / by Smith, George Otis

    Subjects: “…RECURSOS NATURALES…”
    Article
  14. 14
    Proceedings of second Pan American scientific congress : irrigation in the United States /

    Proceedings of second Pan American scientific congress : irrigation in the United States / by Fortier, Samuel

    Subjects: “…RECURSOS NATURALES…”
    Article
  15. 15
    Proceedings of second Pan American scientific congress : the conservation of copper /

    Proceedings of second Pan American scientific congress : the conservation of copper / by Emmons, W. H.

    Subjects: “…RECURSOS NATURALES…”
    Article
  16. 16
    Proceedings of second Pan American scientific congress : conservation of metals by the recovery and use of scrap metals and drosses /

    Proceedings of second Pan American scientific congress : conservation of metals by the recovery and use of scrap metals and drosses / by Dunlop, John P.

    Subjects: “…RECURSOS NATURALES…”
    Article
  17. 17
    Proceedings of second Pan American scientific congress : engineering work of the United States reclamation service /

    Proceedings of second Pan American scientific congress : engineering work of the United States reclamation service / by Davis, Arthur Powell

    Subjects: “…RECURSOS NATURALES…”
    Article
  18. 18
    Proceedings of second Pan American scientific congress : the function of live stock in agriculture /

    Proceedings of second Pan American scientific congress : the function of live stock in agriculture / by Rommel, George M.

    Subjects: “…RECURSOS NATURALES…”
    Article
  19. 19
    Proceedings of second Pan American scientific congress : great central markets for live stock and meats /

    Proceedings of second Pan American scientific congress : great central markets for live stock and meats / by Hall, Louis D.

    Subjects: “…RECURSOS NATURALES…”
    Article
  20. 20
    Proceedings of second Pan American scientific congress : the advisability of collegiate courses on marketing and distribution /

    Proceedings of second Pan American scientific congress : the advisability of collegiate courses on marketing and distribution / by Carver, T. N.

    Subjects: “…RECURSOS NATURALES…”
    Article

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