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  1. A critical index of films and filmstrips in conservation, dealing with renewable resources, non-renewable resources, resources and people, and ecology.
    By: Conservation Foundation.
    Edition: [3d ed.
    Publication info: Flanders, N.J.,O'Hare Books]1967.
    Contributed by: Prelinger Library (archive.org)
    Subjects: Conservation of natural resources  Film catalogs  Nonrenewable natural resources  Renewable natural resources  United States  
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