Soil conservation policies : an assessment /
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Main Author: | |
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Format: | Texto biblioteca |
Language: | d |
Published: |
Ankeny, Iowa : Soil Conservation Society of America,
1979
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Subjects: | SOIL CONSERVATION-UNITED STATES-CONGRESSES, AGRICULTURE AND STATE-UNITED STATES-CONGRESSES, ENVIRONMENTAL POLICY-UNITED STATES-CONGRESSES, Soil Conservation Society of America, |
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