Owen, Oliver S., 4 0 1920-

Natural resource conservation : an ecological approach / 6 6 Oliver S. Owen. - 3d ed. - - xi, 883 pages : illustrations 26 cm. - - - - - . - . - 0 . - . - 0 .



Includes bibliographies and index.



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0023900202;9780023900204

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79013405

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Conservation of natural resources.;Ecology.;Environmental protection.;Conservation of natural resources;Ecology;Environmental protection ------United States.;United States.;United States.--20--


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S938 / .O87 19802

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