970 resultados para Enamel Erosion
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"A compilation of practical tried-and-proved methods which have been developed by state agricultural colleges and extension workers, U.S. soil conservation experts, and county agricultural agents."--p. [2] of cover.
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Bibliographical foot-notes.
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Bibliography: p. 25.
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"Printed: June 1992."
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"January 1993"
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"December, 1980."
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"Authority for the preparation of this report and state participation in the flood protection recommendations contained herein is provided by the Flood Control Act of 1945 [615 ILCS 15]."--Leaf 2.
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"October, 1982."
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"IEPA/WPC/83-004."
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Title also given as: Beach erosion control report on cooperative study of Pacific coast line of the State of California.
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Mode of access: Internet.
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"March 1979."
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"June 1991."
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Contribution from Soil Conservation Service.
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Caption title.