Showing 1 - 10 results of 10 for search '"United States"', query time: 0.09s Refine Results
  1. 1
    by Palladino, Paolo
    Published 1996
    Book

    Entomology, ecology, and agriculture the making of scientific careers in North America, 1885-1985
  2. 2
    by Owen, Oliver S. 1920-
    Published 1995
    Book

    Natural resource conservation management for a sustainable future
  3. 3
    by Owen, Oliver S.
    Published 1980
    Book

    Natural resource conservation an ecological approach.
  4. 4
    Book

    Environmental conservation
  5. 5
    by Owen, Oliver S.
    Published 1975
    Book

    Natural resource conservation an ecological approach
  6. 6
    by Owen, Oliver S. 1920-
    Published 1975
    Book

    Natural resource conservation an ecological approach
  7. 7
    by McHenry, Robert
    Published 1972
    Book

    A documentary history of conservation in America
  8. 8
    by Dasmann, Raymond Fredric 1919-
    Published 1972
    Table of contents only
    Book

    Environmental conservation
  9. 9
    by Owen, Oliver S. 1920-
    Published 1971
    Book

    Natural resource conservation an ecological approach
  10. 10
    by Owen, Oliver S. 1920-
    Published 1971
    Table of contents only
    Book

    Natural resource conservation an ecological approach
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