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  1. 1

    Soil survey and land evaluation por Dent, David

    Publicado 1981
    Libro
  2. 2

    Soil-resource data for agricultural development

    Publicado 1978
    Libro
  3. 3

    Soil sampling and soil description por Hodgson, John Michael

    Publicado 1978
    Libro
  4. 4

    Soil survey in irrigation investigations

    Publicado 1974
    Libro
  5. 5
  6. 6

    Agricultural soil maps status, July 1957 a revision of Bulletin 22 (1948).

    Publicado 1957
    Libro
  7. 7

    Soil survey of Ilocos Sur Province, Philippines

    Publicado 1954
    Libro
  8. 8

    Engineering applications of soil surveying and mapping.

    Publicado 1953
    Libro
  9. 9

    Engineering soil survey mapping presented at the Thirtieth Annual Meeting, 1951.

    Publicado 1951
    Libro
  10. 10

    Soil survey of Bulacan province

    Publicado 1936
    Libro