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  1. 1

    Fundamentos de geología física / by Leet, L. Don

    Published 1968
    View in OPAC
    Book
  2. 2

    Structural geology by Billings, Marland P.

    Published 1954
    View in OPAC
    Book
  3. 3

    Planet earth by Ames, Gerald

    Published 1963
    View in OPAC
    Book
  4. 4
  5. 5

    The World araund us by Sutton, Graham

    Published 1963
    View in OPAC
    Book
  6. 6
  7. 7

    Science of the earth by Eardley, A.J

    Published 1972
    View in OPAC
    Book
  8. 8

    Modern earth science

    Published 1969
    View in OPAC
    Book
  9. 9

    Beginning geology by Read, Herbert Harold

    Published 1966
    View in OPAC
    Book
  10. 10

    Geología /

    Published 1991
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    Book
  11. 11

    Manual de geología / by San Miguel de la Cámara, Máximo

    Published 1960
    View in OPAC
    Book
  12. 12

    Geografía y Medio Ambiente de América /

    Published 1973
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    Book
  13. 13

    Historia natural y ecología de El Salvador

    Published 1994
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    Book
  14. 14

    Geology: principles and processes / by Emmons, William H

    Published 1960
    View in OPAC
    Book
  15. 15
  16. 16

    Giants of geology by Lane Fenton, Carroll

    Published 1952
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    Book
  17. 17

    Geología by Meléndez, Bermudo

    Published 1972
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    Book
  18. 18

    Earth history / by Snider, Luther Crocker, 1882-

    Published 1932
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    Book
  19. 19

    Introduction to geology / by Branson, Edwin Bayer, 1877-1950

    Published 1935
    View in OPAC
    Book
  20. 20

    Our amazing earth / by Fenton, Carroll Lane, 1900-

    Published 1938
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    Book